"Two federal agents do not believe an atomic-bomb threat is just another war game."
John Ireland
as Investigator John Williams
Richard Denning
as Chief Investigator Paul Reagan
Suzanne Dalbert
as Margo Wayne
Robert Foulk
as Commander Jackson
Mike Connors
as Lt. Magrew (as Touch Conners)
Richard Avonde
as Buzz Olin
William Bryant
as FBI Agent in Montage (as William R. Klein)
Cicely Browne
as Blonde Woman
Tommy Farrell
as Agent Reynolds
Joseph Mell
as Box of Taffy Man at Penn Station
Robert Hunter
as Andy, alias Andre, an agent
Peter Marshall
as Leo Wayne
Fred F. Sears
Director
Ivan Tors
Story
Harry Essex
Screenplay
Lester White
Director of Photography
