Jerry Hopper (Director) · Sydney Boehm (Writer)
Gene Barry
Dr. Frank Addison
Lydia Clarke
Martha Addison
Michael Moore
Russ Farley
Nancy Gates
Ellen Haskell
Lee Aaker
Tommy Addison
Milburn Stone
Insp. Harold Mann
Bert Freed
Emil Jablons
Frank Cady
F.B.I. Agent George Weinberg
Houseley Stevenson Jr.
'Greg' Gregson
Leonard Strong
Donald Clark
Jerry Hausner
John Pattiz
John Damler
Dr. Peter Rassett
George Lynn
Robert Kalnick
Olan Soule
Mortie Fenton
Anthony Warde
Arnie Molter
Tommy Farrell
Baseball Game Usher
Mary Murphy
Young Woman Buying Stamps
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Spies hold the son of a nuclear physicist (Gene Barry) hostage in exchange for the Los Alamos bomb formula.
