Joyce Manning
Sally Fraser
Major Mark Baird
Roger Pace
Joan
Loretta Nicholson
Arthur Lang
Raymond Winston
Newscaster
Jack Kosslyn
Mexican Doctor
George Navarro
Capitol Hill Reporter
Bob Garnet
TV Announcer
Stan Chambers
Laurie Edwards
June Burt
Medical Research Official
Howard Wright
Army Officer
George Alexander
Bus Driver
Bill Giorgio
Col. Glenn Manning
Duncan 'Dean' Parkin
Health and Welfare Department Head
Hal Torey
Gen. Nelson
George Milan
Police Dispatcher
Warren Frost
Robert Tetrick
Rod Dana
Mayor of Los Angeles
Roy Gordon
Dr. Carmichael
Russ Bender
Sgt. Luis Murillo
Rico Alaniz
John Swanson, truck owner
George Becwar
Miguel
Roberto Hernández
Capt. Harris
Charles Stewart
Mrs. Edwards, mother
June Jocelyn
The Neurologist
John McNamara
Director
Bert I. Gordon
Producer
Screenstory
Special Effects
Special Effects Assistant
Flora M. Gordon
Supervising Film Editor
Ronald Sinclair
Executive Producer
Samuel Z. Arkoff
Screenplay
George Worthing Yates
Director of Photography
Jack A. Marta
James H. Nicholson
Original Music Composer
Albert Glasser
Sound Mixer
Ben Winkler
Production Manager
Herbert E. Mendelson
Property Master
Walter Broadfoot
Art Direction
Walter E. Keller
Assistant Director
Makeup Effects Designer
Jack H. Young
John W. Rogers
Set Decoration
Maury Hoffman
Sound Editor
Josef von Stroheim
Associate Producer
Henry Schrage