
HELD FOR RANSOM! Kidnappers demand atomic secrets! Spies hold the son of a nuclear physicist (Gene Barry) hostage in exchange for the Los Alamos bomb formula.
Does The Atomic City have end credit scenes?
No!
The Atomic City does not have end credit scenes. You can leave when the credits roll.
Explore the complete cast of The Atomic City, 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.

Gene Barry
Dr. Frank Addison

Frank Cady
F.B.I. Agent George Weinberg

Bert Freed
Emil Jablons

Houseley Stevenson Jr.
'Greg' Gregson

Nancy Gates
Ellen Haskell

Lee Aaker
Tommy Addison

Olan Soule
Mortie Fenton

Jerry Hausner
John Pattiz

Milburn Stone
Insp. Harold Mann

George Lynn
Robert Kalnick

Leonard Strong
Donald Clark

Anthony Warde
Arnie Molter

Tommy Farrell
Baseball Game Usher

Lydia Clarke
Martha Addison

John Damler
Dr. Peter Rassett
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Challenge your knowledge of The Atomic City 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.
What is the name of the physicist who works on a top‑secret project in Los Alamos?
Dr. Peter Rassett
Dr. Frank Addison
Dr. John Smith
Dr. Alan Grant
Show hint
Read the complete plot summary of The Atomic City, 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.
Dr. Frank Addison and his wife Martha Addison live in the quiet, sunlit world of Los Alamos, where he toils at a top-secret physics project and she supports a life of careful routines and steady nerves. Their son, Tommy Addison, is a bright, curious kid who zips between school, friends, and the small adventures that make up a child’s day. The Addisons’ life looks serene on the surface, but the shadow of clandestine work and the weight of possible danger loom over every dinner, every doorway, and every quiet moment at home.
When Tommy tags along on a school trip to Santa Fe for a carnival, the afternoon takes a dark turn during a puppet show. The boy vanishes, and the family’s worst fears crystallize when his name is suddenly announced as the winner of a bicycle raffle, a twist that exposes the unnerving truth that something has gone terribly wrong. Back home, a ransom note crafted from clipped newspaper words arrives, followed by a chilling phone call that orders silence. The two parents find themselves caught between hope and despair, trying to decide how to respond while their son’s safety hangs in the balance.
The news hits hard for Ellen Haskell, the teacher who was with the kids on the trip; her bond to the case is personal, and she becomes a conduit between the Addisons and the wider effort to recover Tommy. Ellen’s boyfriend, FBI agent Russ Farley, teams with his partner as they begin tailing the Addisons in an effort to gather any useful intel, all while keeping the family informed and protected as much as possible. The case intensifies as the kidnapper commands Frank to steal a file from the atomic lab and mail it to a Los Angeles hotel, a demand that pits Frank against his sense of responsibility to his family and his duty to the public. Martha’s fear for their son weighs heavily on every choice, and she leans on the belief that going to authorities could endanger Tommy even more if the kidnapper’s network is watching.
A break comes when a small-time thief, David Rogers, ends up with the envelope containing the crucial file at a post office, drawing the FBI’s attention. They shadow him as he moves from place to place, including a tense moment at a baseball game where cameras are directed to catch Rogers in the act. The plan seems to unravel when Rogers’ car explodes after the game, but the envelope has already vanished, forcing the investigators to rethink their approach. As the film reels are reviewed, a hot-dog vendor stands out on the footage. He is not merely a vendor; he is a man with Communist ties, Donald Clark, and the FBI bring him in for questioning. The confrontation is swift and stern, and while the interview yields little, it confirms that the case runs deeper than a simple ransom.
The chase then heads to New Mexico, where Tommy has been moved to the Puye Cliff Dwellings. The Addisons, with the support of the Fentons, a tourist family who crosses paths with the boy, press on in the hope that a lead will emerge. The mastermind behind the scheme reveals himself to be Dr. Peter Rassett, a physicist who has studied the mailed file and quickly determines that it is a fake designed to mislead. Rassett’s plan is cold and precise: he intends to eliminate any obstacle between him and the boy, but the child’s resourcefulness proves formidable. Tommy hides in a cave, evading capture, while the investigation closes in on the dwellings and the surrounding ruins.
A vital clue finally surfaces when the raffle ticket, found at the ruins, becomes a turning point for the investigation. The FBI, already tracking the movements of individuals tied to the case, zeroes in on the right location, and their coordinated effort culminates in a confrontation at the scene. Rassett, along with his accomplices, is arrested in the aftermath of a violent confrontation that confirms the danger had come perilously close to home. Tommy’s survival becomes a testament to a family’s resilience, the tireless work of the FBI, and the stubborn persistence of truth in the face of calculated manipulation.
In the end, the Addisons are reunited, the truth behind the ransom unmasked, and a perilous chain of events left behind as a stark reminder of the fragility of ordinary life when extraordinary pressures tilt the balance. The film moves with a careful, restrained pace, balancing technical detail with character-driven urgency, and it remains faithful to its roots: a gripping tension between scientific secrecy and the human cost of kidnapping, told with a clear-eyed focus and an emphasis on hope surviving through courage and cooperation.
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