| Person | Type | Job | Role(s) |
|---|---|---|---|
 Bruce Surtees | Crew | Camera | Director of Photography |
Carter DeHaven | Crew | Production | Producer |
 Charlie Picerni | Crew | Crew | Stunts |
Dee-Dee Petty | Crew | Costume & Make-Up | Hairstylist |
 Donald E. Westlake | Crew | Writing | Novel |
Jack Petty | Crew | Costume & Make-Up | Makeup Artist |
James L. Berkey | Crew | Art | Set Decoration |
Jerry Fielding | Crew | Sound | Original Music Composer |
 John Flynn | Crew | Directing | Director, Writer |
 Ralph E. Winters | Crew | Editing | Editor |
Ronnie Rondell Jr. | Crew | Crew | Stunts |
Tambi Larsen | Crew | Art | Art Direction |
William McGarry | Crew | Directing | Assistant Director |
 Anita O'Day | Cast | Self | |
 Archie Moore | Cast | Actor | Packard |
Army Archerd | Cast | Actor | Butler |
 Arthur Tovey | Cast | Actor | Casino Attendant (uncredited) |
 Bern Hoffman | Cast | Actor | Jim Sinclair |
 Bill McKinney | Cast | Actor | Buck |
 Charles Knapp | Cast | Actor | Motel Owner (uncredited) |
 Elisha Cook Jr. | Cast | Actor | Carl |
 Emile Meyer | Cast | Actor | Amos |
 Felice Orlandi | Cast | Actor | Frank Orlandi |
 Francis De Sales | Cast | Actor | Jim |
 George Savalas | Cast | Actor | Kenilworth Finance Employee (uncredited) |
 Henry Jones | Cast | Actor | Doctor |
 James Bacon | Cast | Actor | Bookie |
 Jane Greer | Cast | Actress | Alma |
 Jeannine Riley | Cast | Actress | Prostitute (uncredited) |
 Jeffrey Sayre | Cast | Actor | Horse Auction Attendee (uncredited) |
 Joanna Cassidy | Cast | Actress | Rita |
 Joe Don Baker | Cast | Actor | Cody |
 John Steadman | Cast | Actor | Gas Station Attendant |
 Karen Black | Cast | Actress | Bett Harrow |
 Lee de Broux | Cast | Actor | Walter Kinney (uncredited) |
 Marie Windsor | Cast | Actress | Madge Coyle |
Paul Genge | Cast | Actor | Pay-Off Man |
 Richard Jaeckel | Cast | Actor | Chemey |
 Robert Duvall | Cast | Actor | Earl Macklin |
 Robert Ryan | Cast | Actor | Mailer |
Roland La Starza | Cast | Hit Man | |
 Roy Jenson | Cast | Actor | Al |
 Roy Roberts | Cast | Actor | Bob Caswell |
 Sheree North | Cast | Actress | Buck's Wife |
 Timothy Carey | Cast | Actor | Menner |
 Tom Reese | Cast | Actor | 1st Man |
Tony Trabert | Cast | Actor | Self |
 Tony Young | Cast | Actor | Accountant |
 Mike Ragan | Cast | Actor | Hotel Doorman (uncredited) |
Ralph Volkie | Cast | Actor | Mobster Poker Player (uncredited) |
Philip Kenneally | Cast | Bartender | |
 Bob Harks | Cast | Actor | Casino Patron (uncredited) |
Toby Andersen | Cast | Parking Lot Attendant | |
Edward Ness | Cast | Ed Macklin | |
| Person | Type | Job | Role(s) |
