| Person | Type | Job | Role(s) |
|---|---|---|---|
 Bernard Herrmann | Crew | Crew | In Memory Of |
 Chris Lebenzon | Crew | Editing | Editor |
 Fenton Hamilton | Crew | Production | Production Consultant |
Frank Cordell | Crew | Sound | Original Music Composer, Conductor |
Janelle Webb | Crew | Camera | Still Photographer |
 Larry Cohen | Crew | Writing | Screenplay, Director, Producer |
Michael D. Corey | Crew | Editing | Editor |
Michael John Bateman | Crew | Editing | Assistant Editor |
Paul Glickman | Crew | Camera | Director of Photography |
Peter Sabiston | Crew | Production | Production Consultant |
 Roger Corman | Crew | Production | Producer |
 Stefan Czapsky | Crew | Camera | Assistant Camera |
Steve Neill | Crew | Costume & Make-Up | Makeup Artist, Makeup Effects |
Sylvia Fay | Crew | Production | Casting |
William J. Waters | Crew | Editing | Editor |
Arthur Mandelberg | Crew | Editing | Editor |
Chris Balton | Crew | Camera | Assistant Camera |
Jeffrey L. Hayes | Crew | Sound | Sound |
 Halston | Crew | Costume & Make-Up | Wardrobe Designer |
Reid Freeman | Crew | Production | Production Assistant |
Robert Ghiraldini | Crew | Lighting | Electrician |
Jane Landis | Crew | Sound | Boom Operator |
Robert Geraldini | Crew | Lighting | Electrician |
Michel Grinbaum | Crew | Camera | Key Grip |
Johnny Ramsen | Crew | Production | Production Assistant |
Anthony Gonzalez | Crew | Camera | Key Grip |
Coreydon Erickson | Crew | Camera | Key Grip |
Michael Veiner | Crew | Production | Production Consultant |
Arnold Mack | Crew | Production | Production Assistant |
Alan W. Bailey | Crew | Production | Production Assistant |
Harry M. Brittenham | Crew | Production | Production Consultant |
 Al Fann | Cast | Actor | Detective Squad |
Alan Cauldwell | Cast | Bramwell as a Youth | |
 Andy Kaufman | Cast | Actor | Police Assassin |
 Dan Resin | Cast | Actor | Wall Street Executive |
 Deborah Raffin | Cast | Actress | Casey Forster |
 George Patterson | Cast | Zero | |
 Harry Bellaver | Cast | Actor | Cookie |
 Harry Madsen | Cast | Actor | Detective Squad |
 James Dixon | Cast | Actor | Detective Squad |
James Dukas | Cast | Actor | Doorman |
Jo Flores Chase | Cast | Mrs. Gorman | |
 John Heffernan | Cast | Actor | Bramwell |
 Lester Rawlins | Cast | Actor | Board Chairman |
 Mason Adams | Cast | Actor | Obstetrician |
 Mike Kellin | Cast | Actor | Deputy Commissioner |
Peter Hock | Cast | Detective Squad | |
 Randy Jurgensen | Cast | Actor | Detective Squad |
 Richard Lynch | Cast | Actor | Bernard Phillips |
 Robert Drivas | Cast | Actor | David Morten |
 Robert Nichols | Cast | Actor | Fletcher |
 Sam Levene | Cast | Actor | Everett Lukas |
 Sammy Williams | Cast | Actor | Harold Gorman |
Sandro Mancori | Cast | Wall Street Executive (as Alexander Clark) | |
 Sandy Dennis | Cast | Actress | Martha Nicholas |
 Sherry Steiner | Cast | Actress | Mrs. Phillips as a Girl |
 Sylvia Sidney | Cast | Actress | Elizabeth Mullin |
 Tony Lo Bianco | Cast | Actor | Peter J. Nicholas |
Vida Taylor | Cast | Actress | Miss Mullin as a Girl |
Walter Steele | Cast | Junkie | |
William Roerick | Cast | Actor | Richards |
Bobby Ramsen | Cast | Actor | Detective Squad |
 Alex Stevens | Cast | Actor | Detective Squad |
Lelia Martin | Cast | Nurse Jackson (as Leila Martin) | |
Armand Dahan | Cast | Fruit Vendor | |
William Bressant | Cast | Police Officer | |
Harry Eno | Cast | Medical Examiner | |
Adrian James | Cast | Prostitute | |
Marvin Silbisher | Cast | Wall Street Executive | |
Michael Pendry | Cast | Attendant | |
| Person | Type | Job | Role(s) |
