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