
A cruise liner is sabotaged by terrorists and capsizes on New Year's Eve, leaving the ship inverted. A rag‑tag group of survivors, led by a priest and a Homeland Security agent, must trek through upside‑down decks, confronting hazards and dwindling air, in a desperate race to find an escape route and reach the surface.
Does The Poseidon Adventure have end credit scenes?
No!
The Poseidon Adventure does not have end credit scenes. You can leave when the credits roll.
Explore the complete cast of The Poseidon Adventure, including both lead and supporting actors. Learn who plays each character, discover their past roles and achievements, and find out what makes this ensemble cast stand out in the world of film and television.

Steve Guttenberg
Richard Clarke

Bryan Brown
Jeffrey Eric Anderson

Rutger Hauer
Bishop August Schmidt

Geoff Pierson
Admiral Jennings

Lynita Crofford
Mother in Portland

Jenny Stead
Girl in Portland

Peter Dobson
Agent Percy

Peter Weller
Captain Paul Gallico

Danny Keogh
Kruger

C. Thomas Howell
Doctor Ballard

Parry Shen
Enlisted Man

Matt Rippy
Lieutenant Mercer

Sylvia Syms
Belle Rosen

Nathalie Boltt
Shoshanna

Adam Baldwin
Mike Rogo

Peter Butler
Badawi

Jeremy Crutchley
Cyrus Copeland

Alexa Hamilton
Rachel Clarke

Marshall Manesh
Jordanian General

Morné Visser
Navy Seal

Adrian Galley
Captain Anthony Thorpe

Neels van Jaarsveld
Dock Guard

Alex Kingston
Suzanne Harrison

André Jacobs
Gravanese

Andre Weideman
Johnson

Max Daniels
Basem

Kevin Otto
Cruise Line Director

Sean Higgs
Thorpe Crew Member

Tinarie Van Wyk-Loots
Aimee Becher-Anderson

Clive Mantle
James Martin

Dumisani Mbebe
Rashaad

Sven Holmberg
Smoking Terrorist

Russel Savadier
Leo Mandebach

Farouk Valley-Omar
Kemal

Andrew Brent
Ronald Acre

Rory Copus
Dylan Clarke

Dale Abrahams
Terrorist #2

Amber Sainsbury
Shelby Clarke

Paul Zabriskie
Fadaee

Marlon John
Assault Team Leader

Michael Whaley
Officer Fredericks

Eve Szapira
Lynn

Katie Farringer
Melinda

Shane Manie
Terrorist #3

Verity Price
Dying Woman

Caroline Rix
Cruise Line Technician

Anthony Bradshaw
Cook
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Challenge your knowledge of The Poseidon Adventure with this fun and interactive movie quiz. Test yourself on key plot points, iconic characters, hidden details, and memorable moments to see how well you really know the film.
Which actor portrays Sea Marshal Mike Rogo?
Bryan Brown
Steve Guttenberg
C. Thomas Howell
Alex Kingston
Show hint
Read the complete plot summary of The Poseidon Adventure, including all major events, twists, and the full ending explained in detail. Explore key characters, themes, hidden meanings, and everything you need to understand the story from beginning to end.
The SS Poseidon is a floating monument of luxury, a 135,000-ton behemoth designed for comfort and spectacle. On a grand voyage from Cape Town to Sydney, it carries about 3,700 passengers and crew who expect a serene escape. The ship’s glittering promise hides the undercurrent of tension that runs through a few personal stories onboard. Among them, Richard Clarke, Steve Guttenberg, a father and husband, is entangled in an affair with Shoshanna, Nathalie Boltt. His wife Rachel Clarke, Alexa Hamilton, grows increasingly distant, while their son Dylan Clarke, Rory Copus, watches the family fray with a mix of confusion and hurt. Shelby Clarke, the sister who’s pursuing nursing, Amber Sainsbury, finds herself drawn to the ship’s doctor Ballard, C. Thomas Howell, as the festive mood slowly shadows their separate worries.
On the surface, the voyage hums with champagne toasts and clinking crystal, but a covert danger threads through the crowd: four terrorists manage to board with two bombs, intent on turning the luxury liner into a tomb. Sea Marshal Mike Rogo, Bryan Brown, is assigned to patrol the ship and sniff out any suspicious activity. The tension thickens as Richard’s affair becomes a backdrop to fear, and the family’s fragile balance teeters on the brink of catastrophe. The story tightens and shifts as the vessel nears its turning point, a moment that will stretch loyalties and test every character’s will to survive.
When New Year’s Eve arrives, the first bomb explodes, ripping a hole in the hull and killing several on the bridge and the ship’s captain. The blast throws chaos through the ship as water pours in on one side, and the Poseidon begins to list. A second bomb is in place, but Rogo acts with startling precision, disabling it and shooting another terrorist, buying precious seconds in a crisis that escalates with terrifying speed. The ship’s tilt grows steeper, and the hull buckles as the ocean floods in. The gravity of the situation morphs the ship into an inverted nightmare: what was once the floor becomes the ceiling, and those who once lounged in luxury now cling to whatever remains of their dignity and safety.
As the water rises and the ship teeters, several key characters find themselves in peril. Ballard suffers a severe injury to his arm, and Shelby and a showgirl are trapped on a table that has become the new floor—an eerie tableau of survival. Shelby’s mother bravely remains with the others in the ballroom, urging them to hold on, while Shelby chooses to stay and aid the injured, aware that her younger brother and mother still need to escape. The ballroom becomes a fragile shelter, and the group makes a precarious plan to reach the hole cut by the earlier blast. In a tense moment, the mother promises to leave clues so that others can follow, and Shelby waves through a veil of blood as she does her best to keep the group moving toward safety.
News of the disaster travels to the navy, who quickly realize Poseidon has vanished. Rescue teams assemble and move with urgency, slicing through the chaos on the ship. Meanwhile, Richard and Shoshanna, the crew member with whom he’s entangled, work their way to the ballroom through a ventilation shaft, triggering a sequence of choices that will define their fates. Rachel and Ballard, along with Shelby and Shoshanna, begin to wrestle with which path to take as the water accelerates its advance. Mayday calls flicker from a damaged computer, and the survivors who remain in the ballroom weigh the grim decision to stay or to press on toward the escape route.
As the groups converge and diverge, the rescue team confronts the ship’s wreckage in the engine room. The surviving crew and passengers find themselves forced to improvise: detonate or pry through the wreckage to create a new exit. The tension peaks as a dangerous catwalk crumbles and a fiery chasm opens beneath them. Shoshanna and one of the terrorists fall into the conflagration, sealing their fates, while the others press onward. The second bomb is finally detonated, opening a way through the hull that allows the remaining survivors to leap into the cold sea below.
With the ship now a sinking ruin, the nine who endure watch Poseidon slip bow-first beneath the waves, a stark reminder of both human vulnerability and stubborn endurance. Suzanne Harrison, Alex Kingston, a British agent who has offered aid along the way, reflects on the narrow margin between life and death as the rescue boats pull away.
The Poseidon’s tragedy is both personal and collective. Families are pulled apart by fear and betrayal, while strangers become lifelines in the press of danger. The tale contends with moral choices under extreme pressure: who should stay to help the injured, who should risk everything to reach the only exit, and who should simply hold on long enough to glimpse the distant shoreline of salvation. The survivors’ narrow escape is a testament to courage, quick thinking, and the stubborn will to live when the odds are stacked against you.
In the end, the disaster leaves a stark, somber gap in the sea and in the lives of those who endured it. The few who survive carry with them the memories of a night when luxury gave way to peril, and ordinary people became their own best defense against a merciless ocean. The Poseidon’s voyage closes not with triumph, but with a sobering reminder that in the face of disaster, resilience and sacrifice—often born from chaos and fear—can be the difference between a final breath and a new dawn.
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