| Person | Type | Job | Role(s) |
|---|---|---|---|
 Charlie Picerni | Crew | Crew | Stunts |
 David Dockendorf | Crew | Sound | Sound |
David Hall | Crew | Directing | Assistant Director |
Don J. Bassman | Crew | Sound | Sound |
 Edward Anhalt | Crew | Writing | Screenplay |
Eric Stacey | Crew | Production | Unit Production Manager |
Gerold Frank | Crew | Writing | Novel |
 Glenn R. Wilder | Crew | Crew | Stunts |
Jack Martin Smith | Crew | Art | Art Direction |
James Cresson | Crew | Production | Associate Producer |
Lionel Newman | Crew | Sound | Original Music Composer |
Marion Rothman | Crew | Editing | Editor |
Raphael Bretton | Crew | Art | Set Decoration |
Richard Day | Crew | Art | Art Direction |
 Richard Fleischer | Crew | Directing | Director |
 Richard H. Kline | Crew | Camera | Director of Photography |
Robert Fryer | Crew | Production | Producer |
Stuart A. Reiss | Crew | Art | Set Decoration |
Walter M. Scott | Crew | Art | Set Decoration |
 Walter Scott | Crew | Crew | Stunts |
 Alex Dreier | Cast | Actor | News Commentator |
 Alex Rocco | Cast | Actor | Lt. Lurie |
 Almira Sessions | Cast | Actress | Emma Hodak |
 Austin Willis | Cast | Actor | Dr. Nagy |
 Carole Shelley | Cast | Actress | Dana Banks |
Carolyn Conwell | Cast | Actress | Irmgard DeSalvo |
 Dana Elcar | Cast | Actor | Luis Schubert |
 David Lewis | Cast | Actor | Judge Schroeder |
Elizabeth Baur | Cast | Actress | Harriet Fordin |
 Enid Markey | Cast | Actress | Edna |
Eve Collyer | Cast | Ellen Ridgeway | |
 George Furth | Cast | Actor | Lyonel Brumley |
 George Kennedy | Cast | Actor | Det. Phil DiNatale |
 George Tyne | Cast | Actor | Dr. Kramer |
 George Voskovec | Cast | Actor | Peter Hurkos |
Gwyda Donhowe | Cast | Alice Oakville | |
 Harry Carter | Cast | Actor | Detective (uncredited) |
 Henry Fonda | Cast | Actor | John S. Bottomly |
 Hurd Hatfield | Cast | Actor | Terence Huntley |
 James Brolin | Cast | Actor | Det. Sgt. Phil Lisi |
Janis Young | Cast | Actress | Louise Parker |
 Jeanne Cooper | Cast | Actress | Cloe |
 Jeff Corey | Cast | Actor | John Asgeirsson |
 John Cameron Swayze | Cast | Actor | T.V. Narrator |
 Karen Ericson | Cast | Actress | Pat Bruner (as Karen Huston) |
 Lara Lindsay | Cast | Bobbie Eden | |
 Leora Dana | Cast | Actress | Mary Bottomly |
 Mike Kellin | Cast | Actor | Julian Soshnick |
 Murray Hamilton | Cast | Actor | Det. Frank McAfee |
Nancie Phillips | Cast | Actress | Barbara Wise |
 Owen Orr | Cast | Actor | Dick Matheson |
 Pamela McMyler | Cast | Actress | Grace |
Richard Krisher | Cast | Actor | Tom |
 Richard X. Slattery | Cast | Actor | Det. Capt. Ed Willis |
 Sally Kellerman | Cast | Actress | Dianne Cluny |
Shelley Burton | Cast | David Parker | |
 Tim Herbert | Cast | Actor | Cedric |
 Tony Curtis | Cast | Actor | Albert DeSalvo |
 Walter Klavun | Cast | Chief of Police | |
 William Hickey | Cast | Actor | Eugene T. O'Rourke |
 William Marshall | Cast | Actor | Atty. Gen. Edward W. Brooke |
 William Traylor | Cast | Actor | Arnie Carr |
 Dennis Cross | Cast | Steve | |
 George Fisher | Cast | Actor | Mr. Taylor |
Isabella Hoopes | Cast | Bertha Blum | |
Dorothy Blackburn | Cast | Actress | Minnie Adams |
David Armstrong | Cast | Actor | Suspect |
Penny Williams | Cast | Mae | |
 Matt Bennett | Cast | Actor | Harold |
Arthur Hanson | Cast | Commissioner | |
| Person | Type | Job | Role(s) |
