"Spies hold the son of a nuclear physicist (Gene Barry) hostage in exchange for the Los Alamos bomb formula."
Gene Barry
as Dr. Frank Addison
Lydia Clarke
as Martha Addison
Michael Moore
as Russ Farley
Nancy Gates
as Ellen Haskell
Lee Aaker
as Tommy Addison
Milburn Stone
as Insp. Harold Mann
Bert Freed
as Emil Jablons
Frank Cady
as F.B.I. Agent George Weinberg
Houseley Stevenson Jr.
as 'Greg' Gregson
Leonard Strong
as Donald Clark
Jerry Hausner
as John Pattiz
John Damler
as Dr. Peter Rassett
George Lynn
as Robert Kalnick
Olan Soule
as Mortie Fenton
Anthony Warde
as Arnie Molter
Tommy Farrell
as Baseball Game Usher
Mary Murphy
as Young Woman Buying Stamps
Leith Stevens
Original Music Composer
Charles Lang
Director of Photography
Joseph Sistrom
Producer
Sydney Boehm
Writer
Archie Marshek
Editor
Jerry Hopper
Director
Hal Pereira
Art Direction
Al Roelofs
Bertram C. Granger
Set Decoration
Edith Head
Costume Design
Sam Comer
Harold Lewis
Sound Recordist
Wally Westmore
Makeup Supervisor
Walter Oberst