What Is PT 109 About?
The premise of PT 109 in 309 words, with nothing given away. The full story follows below.
In the heat of the Pacific campaign, a cluster of motorized patrol boats stalks the narrow, jade‑streaked waters surrounding the Solomon Islands. The islands themselves are a patchwork of dense jungle, volcanic peaks and hidden coves, where every sunrise brings the distant thrum of aircraft and the constant, uneasy promise of enemy fire. The atmosphere is one of restless urgency, a mix of camaraderie forged in cramped metal hulls and the ever‑present tension of a war that can turn on a single missed turn.
At the heart of this world steps a young naval officer, John F. Kennedy, eager to prove himself beyond the shadow of his family name. Charged with taking command of a battered PT boat, he quickly learns that leadership here is measured in minutes and miles, not medals. He is guided by the grizzled maintenance chief Commander C.R. Ritchie, whose exacting standards set the tone for every repair, and by his squadron commander Lt. Alvin Cluster, whose confidence in the mission pushes the crew to stretch their limits. By his side is his trusted second‑in‑command, Ensign Leonard Thom, a sharp‑eyed officer whose practical instincts balance Kennedy’s bold optimism, while the rest of the crew—seasoned sailors, torpedomen and gunners—form a tightly knit band drawn together by shared danger.
The film’s tone blends the gritty realism of wartime naval life with a lingering sense of adventure. As the patrol boats cut through moonlit straits, the characters exchange banter, test each other’s resolve, and quietly contend with the unknown depths of the ocean and the war itself. Underneath the clatter of engines and the whisper of distant artillery, George “Barney” Ross and Andrew Kirksey hint at deeper stories of loyalty and survival, suggesting that the true challenge may lie not only in the enemy’s guns but in the endurance of the human spirit when the sea turns hostile.
What Happens in PT 109?
The complete story of PT 109, from the first scene to the last, in 897 words (about 4 minutes). Spoilers throughout. Names in the text link to 5 cast member pages.
Spoilers ahead
In the vibrant spring of 1943, Lt. (j.g.) John F. Kennedy, portrayed by Cliff Robertson, finds himself requesting an assignment to the PT boat base located at Tulagi in the scenic Solomon Islands. Amidst a backdrop of scheming yeomen and the constant threat of Japanese air raids, he soon encounters Commander C.R. Ritchie, played by James Gregory, a crusty maintenance officer who indicates the high standards expected of him. Shortly after, he meets his new commanding officer, Lt. Alvin Cluster, brought to life by Grant Williams. Determined to take command of a PT boat, Kennedy accepts responsibility for the battered and crewless PT 109, which is moored under a net of camouflage. Ritchie gives him just one week to transform this wreck into a formidable fighting machine, and thus begins Kennedy’s intense mission.
With his new executive officer, Ensign Leonard Thom, brilliantly portrayed by Ty Hardin, and a crew of nine enlisted men, Kennedy embarks on a daunting journey to whip PT 109 into shape. Despite the clock ticking down, the efforts bear fruit, and PT 109 soon meets Ritchie’s rigorous standards. Sent out on trial maneuvers, Kennedy and his men quickly discover that returning last to the base means enduring long hours at the refueling pier. Meanwhile, they face warnings from their engineers regarding the dangers of reversing engines at high speeds. As luck would have it, the men learn of an imminent military operation: the invasion of the nearby island of Rendova, designated to serve as a new base.
Just as refueling is about to conclude, Cluster orders PT 109 on an emergency mission to evacuate Marines from Choiseul. Engaging in a fierce battle, Kennedy and his crew provide cover fire, heroically coming to the aid of a stricken platoon when their evacuation vessel is struck by a grenade. However, during their retreat from enemy fire, PT 109 finds itself running out of fuel, and the incoming tide threatens to drag it back within range of Japanese artillery, only to be rescued by another PT boat bearing a tow line. Unfortunately, three of Kennedy’s crew sustain injuries and are replaced just before the squadron is reassigned to the safeguarded base at Rendova.
Despite Ritchie’s initial orders to remain behind at Tulagi, he asserts his influence over the flotilla commander and successfully arranges to join Kennedy and the crew of PT 109. The perilous journey to Rendova is not without its dangers; a sudden attack by a Japanese fighter plane catches them off guard. Ritchie passionately urges the gunner to allow him a shot, ultimately managing to down the enemy aircraft with remarkable accuracy.
Upon reaching Rendova, Kennedy’s eagerness leads him to overestimate his resources. After executing one high-speed reversal too many, PT 109’s engines falter, crashing into a maintenance shed at the pier where Ritchie sternly reprimands him. However, the situation escalates as they find themselves amid a protracted air raid by Japanese bombers. During the chaos, Kennedy reunites with an old acquaintance, George “Barney” Ross, played by Robert Culp, who joins PT 109 as they man a 37-mm anti-tank gun secured to the foredeck.
As PT 109 sets out for a late-night patrol to intercept the dreaded “Tokyo Express” before it can reach Guadalcanal, Kennedy engages in a conversation with his torpedoman, Andrew Kirksey, who harbors an ominous feeling of impending doom. The darkness enveloping Blackett Strait conceals the dreadful approach of a Japanese destroyer, which suddenly rams PT 109 amidships, devastatingly splitting it in two. Surviving crew members are thrown overboard, many severely burned and injured amidst the chaos. With bravery radiating from every pore, Kennedy and the uninjured crew swim through the flaming wreckage, desperately rescuing those in peril while their boat barely stays afloat.
The following morning, the survivors cling to the remnants of PT 109. In a bold move, Kennedy resolves to swim to the nearest uninhabited island, leading his men on a treacherous three and a half-mile journey to safety. Upon reaching land, they narrowly escape detection by a nearby Japanese patrol barge, yet fail to attract the attention of a passing American reconnaissance plane. Though many crew members succumb to despair, Kennedy remains resolute. Over the next two nights, he and Ross venture further into the open sea in search of friendly patrols.
Back at the command staff in Rendova, hope dwindles for the lost crew. Undeterred, Kennedy steers his men toward the island of Olasana. It is here that two native Solomon Islanders discover the stranded Americans. Communicating without words, Kennedy skillfully carves a message on a green coconut, enlisting their help to deliver it to Rendova. The next day, another native canoe arrives, this time with a message from Reginald Evans, a nearby Australian coastwatcher, who transports Kennedy to meet him. Despite the dangers, Kennedy’s persistence pays off; Evans radios to Rendova with news of the survivors.
The culmination of their harrowing ordeal arrives when Kennedy coordinates a rendezvous with PT 157 at Paporan Island. His crew, still hidden in the underbrush, emerges as the specter of salvation approaches. Even with each crew member entitled to a month of survivor leave, Kennedy stays grounded in his mission, deciding against a break and promptly taking command of PT 59, a converted gunboat. With five former PT 109 crew members by his side, his journey continues as they gear up to face the challenges that still lie ahead.
PT 109 Timeline: Every Key Event in Order
16 key events in the order they happen, from “Kennedy Requests Assignment” to “Return to Safety”. 16 events name a place, across 10 locations.
- 1
Kennedy Requests Assignment
In the spring of 1943, Lt. (j.g.) John F. Kennedy requests a new assignment to the PT boat base located in Tulagi, Solomon Islands. This marks the beginning of his journey into active duty amidst the backdrop of World War II.
When:Spring 1943 Where:Tulagi, Solomon Islands
- 2
Meeting Key Officers
Upon his arrival, Kennedy meets Commander C.R. Ritchie, the senior maintenance officer, who shares his tough standards for boat readiness. He also encounters his commanding officer, Lt. Alvin Cluster, establishing crucial military relationships.
Where:PT Boat Base, Tulagi
- 3
Taking Command of PT 109
Kennedy takes command of PT 109, an old and damaged PT boat that lacks a crew. Determined to get the boat ready for action, Kennedy is given one week to prepare it for combat missions.
Where:PT Boat Base, Tulagi
- 4
Whipping PT 109 into Shape
With the help of Ensign Leonard Thom and a crew of nine enlisted men, Kennedy works tirelessly to restore PT 109's operational capabilities. Their efforts culminate in the boat meeting Ritchie's standards just in time for a trial run.
Where:PT Boat Base, Tulagi
- 5
Emergency Rescue Mission
After some refueling delays, Cluster orders Kennedy on an emergency rescue mission to assist in the evacuation of Marines from Choiseul. Under heavy fire, Kennedy and his crew successfully save a platoon but face danger as they run out of fuel.
Where:Off the coast of Choiseul
- 6
Attempting to Escape
As PT 109 drifts dangerously close to enemy fire, another PT boat arrives just in time to tow them to safety. Though three crew members are wounded, the crew is soon transported to the new base at Rendova.
Where:Choiseul
- 7
Transfer to Rendova
Ritchie manages to secure his transfer to Rendova with Kennedy and his crew, following a confrontation with the flotilla commander. This decision proves critical as they prepare for increased conflict in the area.
Where:Rendova, Solomon Islands
- 8
Japanese Air Attack
Upon reaching Rendova, the crew faces their first challenge when a Japanese fighter plane attacks them. Ritchie takes initiative on the 20-mm machine gun and successfully shoots down the enemy aircraft.
Where:Rendova
- 9
Crashing into Maintenance Shed
While attempting a high-speed maneuver, Kennedy inadvertently crashes PT 109 into a maintenance shed, leading to a fierce reprimand from Ritchie. However, the impending air raid demands their immediate attention.
Where:Rendova
- 10
Night Patrol Begins
PT 109 is tasked with a late-night patrol to intercept the 'Tokyo Express' heading towards Guadalcanal. The crew members, including torpedoman Andrew Kirksey, express foreboding, fearing that danger is imminent.
Where:Blackett Strait
Show the other 6 events of PT 109 Hide the last 6 events
- 11
Collision with Japanese Destroyer
In the pitch-black waters of Blackett Strait, PT 109 is suddenly rammed by a Japanese destroyer, effectively slicing the boat in half. Many crew members are injured or thrown overboard amidst the chaos and destruction.
Where:Blackett Strait
- 12
Swim for Survival
With the remains of the boat burning around them, Kennedy leads the uninjured crew in a desperate swim towards the nearest island. Unfortunately, they lose two crew members who are never found.
Where:Blackett Strait
- 13
Avoiding Enemy Patrols
Upon reaching an uninhabited island, Kennedy and his men narrowly escape detection from Japanese patrol boats. They also miss a chance to signal passing American reconnaissance planes for help.
Where:Uninhabited Island
- 14
Seeking Rescue
Despite dwindling hope, Kennedy swims out into open waters over two nights to try and flag down American patrols. His determination to survive and protect his crew is unwavering.
Where:Open Waters
- 15
Contact Established with Coastwatcher
Kennedy successfully contacts Reginald Evans, a nearby Australian coastwatcher, after receiving help from native Solomon Islanders. Evans relays the message of the survivors, essential for their rescue.
Where:Olasana Island
- 16
Return to Safety
Eventually, after enduring immense hardships, Kennedy guides his crew to safety aboard PT 157, where they are finally rescued. Despite the ordeal, he refuses to take leave, opting to continue serving with his fellow crew members.
Where:Rendova
Who Are the Main Characters in PT 109?
5 characters, among them Lt. John F. Kennedy (Cliff Robertson), Commander C.R. Ritchie (James Gregory) and Lt. Alvin Cluster (Grant Williams): who each one is and the part they play in the story. Every profile links to the actor’s page.
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Lt. John F. Kennedy (Cliff Robertson)
Played by Cliff Robertson
A young and determined naval officer, Kennedy displays leadership and courage throughout the film. His commitment to his crew and strategic thinking during emergencies highlight his character's resilience. He faces adversity head-on and becomes a symbol of hope for the survivors after the sinking of PT 109.
- 👨✈️ Leadership
- 🎖️ Bravery
- 🌟 Hope
- CC
Commander C.R. Ritchie (James Gregory)
Played by James Gregory
Ritchie serves as a mentor and senior officer to Kennedy, challenging him while also providing guidance. His experience and stern demeanor establish a framework for the crew's development. Despite initial tensions, he proves to be a loyal ally in the battle against the Japanese forces.
- 👨✈️ Mentorship
- ⚓ Resilience
- 📋 Warrior
- LA
Lt. Alvin Cluster (Grant Williams)
Played by Grant Williams
As Kennedy's commanding officer, Cluster plays a vital role in the early part of the film, demonstrating the bureaucratic challenges of military operations. His authority impacts Kennedy's leadership journey, as he navigates the structured naval environment while leading the crew.
- 🔧 Authority
- 🔍 Conflict
- 🏅 Duty
- EL
Ensign Leonard Thom (Ty Hardin)
Played by Ty Hardin
Thom serves as Kennedy's executive officer, assisting in navigating the challenges faced by PT 109 and its crew. His loyalty and support are essential in executing the missions. Thom embodies the spirit of camaraderie among the enlisted men.
- 👨✈️ Loyalty
- 🤝 Teamwork
- 🚤 Ally
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George "Barney" Ross (Robert Culp)
Played by Robert Culp
A supportive character, Ross exemplifies the bonds of friendship forged during wartime. His reunion with Kennedy brings a sense of familiarity and camaraderie amidst the chaos, as he contributes to the crew's efforts on PT 109.
- 🤝 Friendship
- ⚔️ Comrade
- 💪 Resilience
Where and When Is PT 109 Set?
PT 109 is set in Tulagi, Solomon Islands, Rendova and Olasana (1943). Here is why the time and place matter to the story.
When
1943
The events of the movie occur during the spring of 1943, a pivotal year in World War II. This period was marked by significant battles in the Pacific Theater, where naval warfare was essential. The struggles between Allied forces and Japanese troops were heightened as both sides attempted to control key territories in the islands.
Where
Tulagi, Solomon Islands, Rendova, Olasana
The movie primarily takes place in the Solomon Islands, particularly in Tulagi and Rendova. Tulagi served as a crucial PT boat base during World War II and was known for its strategic military importance. Rendova became an important site for Allied forces, eventually turning into a naval base amidst intense combat.
- 🏝️ Islands
- ⚓ Naval Base
What Are the Themes of PT 109?
3 ideas the story keeps returning to, among them Courage, Leadership and Survival.
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01
Courage
Courage is a central theme in 'PT 109,' embodied by Lt. John F. Kennedy and his crew. The film highlights their bravery in the face of danger, especially during intense naval battles and their survival after the sinking of their boat. Kennedy's determination to rescue his crew showcases the essence of courage under fire.
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02
Leadership
Leadership is depicted through Kennedy's actions and decisions throughout the movie. He takes command of a damaged boat, inspires his crew during challenging missions, and makes pivotal choices to ensure their survival. His ability to lead in crisis situations emphasizes the importance of strong leadership in military engagement.
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03
Survival
Survival is a critical theme that runs throughout the film as Kennedy and his crew navigate the perils following the destruction of PT 109. Their determination to stay alive amidst the hostile environment, enemy threats, and scarce resources underscores the instinct to survive. The film portrays the physical and emotional struggles they endure in their fight for life.
What Kind of Film Is PT 109?
Tense in tone, with variable pacing and a straightforward story, going by the plot summary.
- Tone
- Tense
- Pacing
- Variable
- Story
- Straightforward
- Intensity
- High
- Ending
- Happy
A tense and heroic war drama that chronicles a desperate fight for survival against overwhelming odds, showcasing exceptional leadership and resilience amidst perilous combat and a harsh island environment.
- tense
- heroic
- hopeful
- survivalist
- gritty
- anxious
- wartime leadership
- survival
- naval combat
- teamwork
Content notes: war violence, severe burns, ship destruction, potential drowning.
Quiz
How well do you remember PT 109? Test yourself on the story.
