| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alan Hicks | Crew | Art | Set Decoration |
Albert Taffet | Crew | Camera | Camera Operator |
Arthur J. Ornitz | Crew | Camera | Director of Photography |
Ben Kasazkow | Crew | Art | Production Design |
 Frank Pierson | Crew | Writing | Screenplay |
Gene Coffin | Crew | Costume & Make-Up | Costume Design |
George Justin | Crew | Production | Associate Producer |
Jack Fitzstephens | Crew | Sound | Sound Editor |
Joanne Burke | Crew | Editing | Editor |
Lawrence Sanders | Crew | Writing | Novel |
 Marion Dougherty | Crew | Production | Casting |
Nicholas Sgarro | Crew | Directing | Script Supervisor |
Philip Rosenberg | Crew | Art | Art Direction |
 Quincy Jones | Crew | Sound | Original Music Composer |
Robert Weitman | Crew | Production | Producer |
 Sidney Lumet | Crew | Directing | Director |
Alan Hopkins | Crew | Directing | Assistant Director |
Willie Meyerhoff | Crew | Lighting | Gaffer |
Betty DeStefano | Crew | Costume & Make-Up | Hairstylist |
Ian Forest | Crew | Costume & Make-Up | Hairstylist |
Saul Meth | Crew | Costume & Make-Up | Makeup Artist |
 Alan King | Cast | Actor | Pat Angelo |
 Anthony Holland | Cast | Actor | Psychologist |
 Bradford English | Cast | Actor | T.V. Watcher |
Bruce Brown | Cast | Policeman (uncredited) | |
 Charles Frank | Cast | Actor | Ambulance Attendant (uncredited) |
 Christopher Walken | Cast | Actor | The Kid |
 Conrad Bain | Cast | Actor | Dr. Rubicoff |
 Dick Anthony Williams | Cast | Actor | Spencer |
 Dyan Cannon | Cast | Actress | Ingrid |
 Garrett Morris | Cast | Actor | Officer Everson |
 Janet Ward | Cast | Actress | Mrs. Bingham |
 John Braden | Cast | Actor | Vanessi |
John Call | Cast | Actor | O'Leary |
 Judith Lowry | Cast | Actress | Mrs. Hathaway |
 Margaret Hamilton | Cast | Actress | Miss Kaler |
 Martin Balsam | Cast | Actor | Haskins |
 Mary Boylan | Cast | Actress | Bus Station Lady (uncredited) |
 Max Showalter | Cast | Actor | Bingham |
 Meg Myles | Cast | Actress | Mrs. Longene |
 Michael Fairman | Cast | Actor | Sergeant Claire |
 Michael Miller | Cast | Actor | First Agent |
Michael Prince | Cast | Actor | Johnson |
 Norman Rose | Cast | Actor | Longene |
 Paul Benjamin | Cast | Actor | Jimmy |
 Paula Trueman | Cast | Actress | Nurse |
 Ralph Meeker | Cast | Actor | Police Captain 'Iron Balls' Delaney |
Raoul Kraushaar | Cast | Actor | D'Medico |
 Reid Cruickshanks | Cast | Actor | Judge |
 Richard B. Shull | Cast | Actor | Werner |
 Sam Coppola | Cast | Actor | Private Detective |
 Scott Jacoby | Cast | Actor | Jerry Bingham |
 Sean Connery | Cast | Actor | Duke Anderson |
Stan Gottlieb | Cast | Actor | Pop |
 Tom Signorelli | Cast | Actor | Sync Man |
 Val Avery | Cast | Actor | Parelli aka Socks |
William J. Daprato | Cast | Detective C | |
Tom Nobles | Cast | Actor | Police Lieutenant (uncredited) |
 Hildy Brooks | Cast | Actress | Receptionist |
 Carmine Caridi | Cast | Actor | Detective |
Frank Macetta | Cast | Actor | Papa Angelo |
Michael Clary | Cast | Eric's Friend | |
Robert Dagney | Cast | Doctor | |
George Patelis | Cast | Detective B | |
James Forster | Cast | Sergeant (uncredited) | |
Al Kirk | Cast | Thief (uncredited) | |
Jack Doroshow | Cast | Eric - Decorator Tenant | |
| Person | Type | Job | Role(s) |
