| Person | Type | Job | Role(s) |
|---|---|---|---|
 Albert Brenner | Crew | Art | Art Direction |
Alexander Jacobs | Crew | Writing | Screenplay |
 Donald E. Westlake | Crew | Writing | Novel |
Edward Woehler | Crew | Production | Unit Production Manager |
F. Keogh Gleason | Crew | Art | Set Decoration |
Franklin Milton | Crew | Sound | Recording Supervision |
George W. Davis | Crew | Art | Art Direction |
Henry Berman | Crew | Editing | Editor |
Henry Grace | Crew | Art | Set Decoration |
 Irwin Winkler | Crew | Production | Producer |
J. McMillan Johnson | Crew | Visual Effects | Visual Effects |
 John Boorman | Crew | Directing | Director |
 Johnny Mandel | Crew | Sound | Original Music Composer |
Judd Bernard | Crew | Production | Producer |
Larry Jost | Crew | Sound | Sound Mixer |
Norman Stuart | Crew | Crew | Dialogue Coach |
Patricia Casey | Crew | Production | Other |
Philip H. Lathrop | Crew | Camera | Director of Photography |
 Robert Chartoff | Crew | Production | Producer |
Stu Gardner | Crew | Sound | Songs |
 Sydney Guilaroff | Crew | Costume & Make-Up | Hairstylist |
Van Allen James | Crew | Sound | Sound Editor |
 William Tuttle | Crew | Costume & Make-Up | Makeup Artist |
Al Jennings | Crew | Directing | Assistant Director |
David Newhouse | Crew | Writing | Screenplay |
Margo Weintz | Crew | Costume & Make-Up | Costume Design |
William Stair | Crew | Camera | Other |
Rafe Newhouse | Crew | Production | Other, Screenplay |
David Steen | Crew | Camera | Still Photographer |
Mel Lewis | Crew | Sound | Musician |
 Angie Dickinson | Cast | Actress | Chris |
Anthony Redondo | Cast | Actor | Conventioneer (uncredited) |
 Barbara Feldon | Cast | Actress | Girl in TV Commercial (uncredited) |
 Bill Hickman | Cast | Actor | Reese's Guard on Balcony (uncredited) |
Bud Cokes | Cast | Actor | Conventioneer (uncredited) |
 Carroll O'Connor | Cast | Actor | Brewster |
 Chuck Hicks | Cast | Actor | Guard (uncredited) |
 Cosmo Sardo | Cast | Actor | Conventioneer (uncredited) |
 Ethelreda Leopold | Cast | Conventioneer (uncredited) | |
 Felix Silla | Cast | Actor | Bellhop (uncredited) |
George Bruggeman | Cast | Actor | Conventioneer (uncredited) |
 George Calliga | Cast | Actor | Conventioneer (uncredited) |
 Guy Way | Cast | Actor | Bill (Brewster's Chauffeur) (uncredited) |
 James B. Sikking | Cast | Actor | Hired Gun |
 Jeffrey Sayre | Cast | Actor | Spectator (uncredited) |
 Jerry Catron | Cast | Actor | Man (uncredited) |
John McMurtry | Cast | Messenger | |
 John Vernon | Cast | Actor | Mal Reese |
 Joseph Mell | Cast | Actor | Man (uncredited) |
 Kathleen Freeman | Cast | Actress | First Citizen |
 Keenan Wynn | Cast | Actor | Yost |
Kenneth Gibson | Cast | Actor | Conventioneer (uncredited) |
Lawrence Hauben | Cast | Car Salesman | |
 Lee Marvin | Cast | Actor | Walker |
 Leoda Richards | Cast | Actress | Conventioneer (uncredited) |
 Lloyd Bochner | Cast | Actor | Frederick Carter |
 Michael Bell | Cast | Actor | 2nd Penthouse Lobby Guard |
 Michael Strong | Cast | Actor | Stegman |
 Monty O'Grady | Cast | Actor | Conventioneer (uncredited) |
Norman Stevans | Cast | Actor | Conventioneer (uncredited) |
 Philo McCullough | Cast | Actor | Conventioneer (uncredited) |
 Rico Cattani | Cast | Actor | Reese's Guard |
 Roberta Haynes | Cast | Actress | Mrs. Carter |
Roland La Starza | Cast | Reese's Guard | |
Roseann Williams | Cast | Actress | Dancer (uncredited) |
 Sandra Warner | Cast | Actress | Waitress |
 Sharon Acker | Cast | Actress | Lynne |
 Sid Haig | Cast | Actor | 1st Penthouse Lobby Guard |
Sid Troy | Cast | Conventioneer (uncredited) | |
Stu Gardner | Cast | Singer (uncredited) | |
Susan Holloway | Cast | Girl Customer | |
 Ted White | Cast | Actor | Football Player (uncredited) |
Victor Creatore | Cast | Carter's Man | |
Dick Cherney | Cast | Actor | Spectator (uncredited) |
Richard Elmore | Cast | Conventioneer (uncredited) | |
 Duke Fishman | Cast | Actor | Bar Patron (uncredited) |
George Hoagland | Cast | Conventioneer (uncredited) | |
 Paul Bradley | Cast | Actor | Conventioneer (uncredited) |
Rudy Germane | Cast | Actor | Conventioneer (uncredited) |
Harvey Karels | Cast | Conventioneer (uncredited) | |
Ron Walters | Cast | Young Man in Apartment | |
Joseph La Cava | Cast | Actor | Conventioneer (uncredited) |
Bonnie Dewberry | Cast | Dancer (uncredited) | |
Robert Strong | Cast | Actor | Conventioneer (uncredited) |
Priscilla Boyd | Cast | Receptionist | |
George Strattan | Cast | Young Man in Apartment | |
Nicole Rogell | Cast | Carter's Secretary | |
Tim Taylor | Cast | Actor | Conventioneer (uncredited) |
Murray Pollack | Cast | Actor | Conventioneer (uncredited) |
Clark Ross | Cast | Actor | Conventioneer (uncredited) |
Louise Lane | Cast | Conventioneer (uncredited) | |
Carey Foster | Cast | Dancer (uncredited) | |
John Zimeas | Cast | Spectator (uncredited) | |
Karen Lee | Cast | Waitress (uncredited) | |
Louis Whitehill | Cast | Policeman (uncredited) | |
Andrew Orapeza | Cast | Desk Clerk (uncredited) | |
| Person | Type | Job | Role(s) |
