Directed by
| Philip Leacock | ... | (directed by) |
Writing Credits
| James Bridges | ... | (screenplay by) |
| John Farris | ... | (based on a novel by) |
Cast (in credits order)
| Ben Gazzara | ... | Doremus Connelly | |
| Elizabeth Ashley | ... | Helen Connelly | |
| Michael Douglas | ... | Craig | |
| Al Waxman | ... | Sheriff Hap Washbrook | |
| Larry Reynolds | ... | Doc Britton | |
| Marian Waldman | ... | Elsa Britton | |
 |
Karen Pearson | ... | Peggy Connelly |
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Chris Pellett | ... | Peter |
| Alan McRae | ... | Harry Randall | |
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Steve Weston | ... | Enoch Mills |
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Robert Warner | ... | Sam |
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Michèle Chicoine | ... | Amy |
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John Bethune | ... | Quinlan |
| Rest of cast listed alphabetically: | |||
| William Osler | ... | Prof. Swen (uncredited) | |
| Daniel Selby | ... | Boy at School (uncredited) | |
Produced by
| Edgar J. Scherick | ... | executive producer |
| Gil Shiva | ... | producer (produced by) |
Cinematography by
| Reginald H. Morris | ... | director of photography (as Reg Morris) |
| Donald Wilder | ... | director of photography (as Don Wilder) |
Editing by
| P.A. James | ... | film editor |
Casting By
| Patricia Payne | ... | (casting) |
Production Design by
| Jack McAdam | ||
Makeup Department
| Ken Brooke | ... | makeup artist |
| Adrian Hoffman | ... | hair stylist (as Adrien Hoffman) |
Production Management
| Louis Comici | ... | unit manager |
| Luciano Comici | ... | unit production manager |
| Gary Flanagan | ... | unit manager |
| Marilyn Stonehouse | ... | production manager |
Second Unit Director or Assistant Director
| Scott Maitland | ... | second assistant director |
| Gordon Robinson | ... | first assistant director |
Art Department
| Keath Barrie | ... | set dresser (as Keith Barrie) |
| John Harper | ... | property master |
| Gerry Holmes | ... | assistant set dresser (as Gerald Holmes) |
Sound Department
| Russel Heise | ... | sound mixer (as Russ Heise) |
| John H. Newman | ... | sound effects editor (as John Newman) |
| Omero Pataracchia | ... | boom operator |
| Evelyn Rutledge | ... | sound effects editor |
Stunts
| John 'Frenchie' Berger | ... | action coordinator (as John Berger) |
Camera and Electrical Department
| Paul Bolton | ... | best boy |
| Ron Gillham | ... | grip (as Ronald Gillham) |
| David Kelly | ... | second assistant camera |
| Cal Kohne | ... | second grip |
| Ernest J.L. Meershoek | ... | first assistant camera (as Ernest Meershoek) |
| Bob Milligan | ... | gaffer (as Robert Milligan) |
| Jackson Samuels | ... | camera operator |
Costume and Wardrobe Department
| Patti Unger | ... | wardrobe |
Editorial Department
| Corky Ehlers | ... | assistant film editor (as Donald Ehlers) |
Music Department
| Kenneth Hall | ... | music editor |
| Lionel Newman | ... | conductor / music supervisor |
| Warren Barker | ... | composer: stock music (uncredited) |
| Mark Bucci | ... | composer: stock music (uncredited) |
| Robert Drasnin | ... | composer: stock music (uncredited) |
| Lionel Newman | ... | composer: stock music (uncredited) |
| Duane Tatro | ... | composer: stock music (uncredited) |
Script and Continuity Department
| Ruby Renaut | ... | continuity |
