| Person | Type | Job | Role(s) |
|---|---|---|---|
 David Nicholson | Crew | Editing | Editor |
Edward Ternes | Crew | Costume & Make-Up | Makeup Artist |
Henk Van der Kolk | Crew | Production | Producer |
John Coquillon | Crew | Camera | Director of Photography |
 John Guillermin | Crew | Directing | Director |
Ken Brooke | Crew | Costume & Make-Up | Makeup Artist |
Paul Hoffert | Crew | Sound | Original Music Composer |
Peter Thillaye | Crew | Sound | Sound Editor |
Phyllis Newman | Crew | Costume & Make-Up | Makeup Artist |
Richard Wilcox | Crew | Art | Art Direction |
Steve Shewchuk | Crew | Art | Set Decoration |
Thomas Hedley Jr. | Crew | Writing | Screenplay |
Trevor Williams | Crew | Art | Production Design |
Wayne Griffin | Crew | Sound | Sound Editor |
William T. Marshall | Crew | Production | Producer |
William Ware Theiss | Crew | Costume & Make-Up | Costume Design |
Jack Heeren | Crew | Sound | Sound Engineer |
Brian Simmons | Crew | Sound | Sound Mixer |
Vince Hatherley | Crew | Editing | Editor |
Alexander MacDonald | Crew | Production | Producer |
 Alan McRae | Cast | Actor | Dr. Bloom |
Alan Rose | Cast | Morgue Attendant (uncredited) | |
 Betty Linde | Cast | Actress | Mental Patient (uncredited) |
 Blu Mankuma | Cast | Actor | Orderly |
Charles Jolliffe | Cast | Priest | |
 David L. Crowley | Cast | Actor | Orderly |
 Deryl Hayes | Cast | Actor | Orderly |
 Fionnula Flanagan | Cast | Actress | Abadaba |
 Garry Chalk | Cast | Actor | Policeman |
 Hagan Beggs | Cast | Actor | Bateman |
Hugh Webster | Cast | Actor | Mr. Wolfe |
 James Coburn | Cast | Actor | Patman |
 Jan Rubeš | Cast | Actor | Vrakettas |
Judith Berlin | Cast | Actress | Mental Patient (uncredited) |
 Kate Nelligan | Cast | Actress | Peabody |
 Laura Press | Cast | Actress | Nurse Graves |
 Leslie Carlson | Cast | Actor | Mr. Abernathy |
 Lloyd Berry | Cast | Actor | Policeman |
 Lois Maxwell | Cast | Actress | Director |
 Lynne Griffin | Cast | Actress | Monica |
 Michael Kirby | Cast | Actor | Dr. Turley |
Paul Rothery | Cast | Dr. Maclarland | |
Candy Kane | Cast | Mrs. Beckman | |
Kenneth Wickes | Cast | Actor | Mr. Arnoldi |
Shirley Barclay | Cast | Actress | Orderly |
Tabitha Herrington | Cast | Actress | Montgomery |
Cathryn Balk | Cast | Singing Lady | |
David Diamond | Cast | Big Eddy | |
John Vye | Cast | Bus Driver | |
| Person | Type | Job | Role(s) |
