| Person | Type | Job | Role(s) |
|---|---|---|---|
 Corky Ehlers | Crew | Editing | Assistant Editor |
Donald Wilder | Crew | Camera | Director of Photography |
Edgar J. Scherick | Crew | Production | Producer, Executive Producer |
Evelyn Rutledge | Crew | Sound | Sound Effects Editor |
Gerry Holmes | Crew | Art | Assistant Set Dresser |
Gordon Robinson | Crew | Directing | First Assistant Director |
Jack McAdam | Crew | Art | Production Design |
Jackson Samuels | Crew | Camera | Camera Operator |
 James Bridges | Crew | Writing | Screenplay |
John 'Frenchie' Berger | Crew | Crew | Stunt Coordinator |
John Farris | Crew | Writing | Novel |
Ken Brooke | Crew | Costume & Make-Up | Makeup Artist |
Kenneth Hall | Crew | Sound | Music Editor |
Lionel Newman | Crew | Sound | Conductor |
Luciano Comici | Crew | Production | Unit Production Manager |
Marilyn Stonehouse | Crew | Production | Production Manager |
Omero Pataracchia | Crew | Sound | Boom Operator |
P.A. James | Crew | Editing | Editor |
Patti Unger | Crew | Costume & Make-Up | Wardrobe Master |
Philip Leacock | Crew | Directing | Director |
Reginald H. Morris | Crew | Camera | Director of Photography |
Patricia Payne | Crew | Production | Casting |
Russel Heise | Crew | Sound | Sound Mixer |
John H. Newman | Crew | Sound | Sound Effects Editor |
Adrian Hoffman | Crew | Costume & Make-Up | Hairstylist |
Ron Gillham | Crew | Camera | Grip |
Ruby Renaut | Crew | Directing | Continuity |
Paul Bolton | Crew | Lighting | Best Boy Electric |
David Kelly | Crew | Camera | Second Assistant Camera |
John Harper | Crew | Art | Property Master |
 Al Waxman | Cast | Actor | Sheriff Hap Washbrook |
 Alan McRae | Cast | Actor | Harry Randall |
 Ben Gazzara | Cast | Actor | Doremus Connelly |
Daniel Selby | Cast | Actor | Boy at School (uncredited) |
 Elizabeth Ashley | Cast | Actress | Helen Connelly |
Karen Pearson | Cast | Actress | Peggy Connelly |
Larry Reynolds | Cast | Actor | Doc Britton |
 Marian Waldman | Cast | Actress | Elsa Britton |
 Michael Douglas | Cast | Actor | Craig |
Michèle Chicoine | Cast | Amy | |
Robert Warner | Cast | Actor | Sam |
William Osler | Cast | Professor Swen (uncredited) | |
Steve Weston | Cast | Actor | Enoch Mills |
John Bethune | Cast | Quinlan | |
Chris Pellett | Cast | Peter | |
| Person | Type | Job | Role(s) |
