| Person | Type | Job | Role(s) |
|---|---|---|---|
 Albert Glasser | Crew | Sound | Original Music Composer, Conductor |
 Evan Hunter | Crew | Writing | Novel |
Everett Sutherland | Crew | Editing | Supervising Editor |
Henry Kane | Crew | Writing | Screenplay |
J. Burgi Contner | Crew | Camera | Director of Photography |
Jack Rabin | Crew | Crew | Special Effects |
John Clarke Bowman | Crew | Directing | Assistant Director |
John Zane | Crew | Directing | Assistant Director |
Lee Gordon | Crew | Production | Producer's Assistant |
Louis DeWitt | Crew | Crew | Special Effects |
Paul M. Heller | Crew | Art | Set Designer |
William Berke | Crew | Directing | Director, Producer |
Edward J. Johnstone | Crew | Sound | Sound |
Bob Kelly | Crew | Costume & Make-Up | Makeup Artist |
Louis Klotz | Crew | Production | Production Manager |
Vince Stewart | Crew | Costume & Make-Up | Wardrobe Supervisor |
 Alan Manson | Cast | Actor | Clark |
Bill Neff | Cast | Actor | Kling |
Ellen Parker | Cast | Actress | Teddy Franklin |
Gene Miller | Cast | Actor | Miller |
 Gerald S. O'Loughlin | Cast | Actor | Detective Mike Maguire |
Hal Riddle | Cast | Actor | Mercer |
 Jerry Orbach | Cast | Actor | Mumzer |
John Gerstad | Cast | Actor | Laboratory Technician |
 Johnny Seven | Cast | Actor | William "Willie" Bronken |
 Lincoln Kilpatrick | Cast | Actor | Detective Dave Foster |
 Miriam Goldina | Cast | Actress | Mama Lucy |
Ralph Stantley | Cast | Detective Hal Willis | |
 Robert Loggia | Cast | Actor | Detective Steve Carelli |
 Russell Hardie | Cast | Actor | Detective Lt. Byrnes |
 Shirley Ballard | Cast | Actress | Alice Maguire |
 Steve Franken | Cast | Actor | Boy in Lineup |
Terry Green | Cast | Boy in Lineup | |
 Vincent Gardenia | Cast | Actor | Danny the Gimp |
Glenn Cannon | Cast | Actor | Rip |
Sandra Stevens | Cast | Newlywed Wife | |
Thomas Nello | Cast | Ortiz | |
Janet Manson | Cast | Maggie Reardon | |
Alan Bergnan | Cast | Police Officer Reardon | |
Kate Harkin | Cast | Ortiz's Wife | |
Lulu B. King | Cast | Detective Foster's Mother | |
| Person | Type | Job | Role(s) |
