| Person | Type | Job | Role(s) |
|---|---|---|---|
 Arthur Piantadosi | Crew | Sound | Sound |
Chuck Gaspar | Crew | Crew | Special Effects |
 Conrad L. Hall | Crew | Camera | Director of Photography |
Dick Tyler Sr. | Crew | Sound | Sound |
Gary Morris | Crew | Costume & Make-Up | Makeup Artist |
Harry Sundby | Crew | Lighting | Electrician |
Jack Hayes | Crew | Sound | Orchestrator |
Joe LaBella | Crew | Art | Property Master |
John Franco | Crew | Directing | Script Supervisor |
Lee Faulkner | Crew | Crew | Stunts |
Leo Shuken | Crew | Sound | Orchestrator |
Peter Zinner | Crew | Editing | Editor |
 Quincy Jones | Crew | Sound | Original Music Composer |
 Richard Brooks | Crew | Writing | Screenplay, Director |
 Robert F. Boyle | Crew | Art | Art Direction |
Tom Shaw | Crew | Directing | Assistant Director |
 Truman Capote | Crew | Writing | Book |
William Randall | Crew | Sound | Sound |
Earle Herdan | Crew | Editing | Assistant Editor |
Jerry Brutsche | Crew | Crew | Stunt Double |
Jack Martell | Crew | Costume & Make-Up | Wardrobe Master |
Jack H. Ahern | Crew | Art | Set Decoration |
John H. Newman | Crew | Sound | Sound Effects |
Robert Eaton | Crew | Art | Property Master |
 Brenda Currin | Cast | Actress | Nancy Clutter |
 Charles McGraw | Cast | Actor | Tex Smith |
 Gerald S. O'Loughlin | Cast | Actor | Harold Nye |
 Guy Way | Cast | Actor | Prison Guard |
 James Flavin | Cast | Actor | Clarence Duntz |
 Jeff Corey | Cast | Actor | Mr. Hickock |
 John Forsythe | Cast | Actor | Alvin Dewey |
 John Gallaudet | Cast | Actor | Roy Church |
 John McLiam | Cast | Actor | Herbert Clutter |
Paul Hough | Cast | Actor | Kenyon Clutter |
 Paul Stewart | Cast | Actor | Jensen |
 Robert Blake | Cast | Actor | Perry Smith |
Ruth Storey | Cast | Actress | Bonnie Clutter |
 Scott Wilson | Cast | Actor | Richard 'Dick' Hickcock |
 Vaughn Taylor | Cast | Actor | Good Samaritan |
 Will Geer | Cast | Actor | Prosecutor |
 Duke Hobbie | Cast | Actor | Young Reporter |
| Person | Type | Job | Role(s) |
