 | Paul Hampton Roger St. Luc |
 | Joe Silver Rollo Linsky |
 | Lynn Lowry Nurse Forsythe |
 | Allan Kolman Nicholas Tudor |
 | Susan Petrie Janine Tudor |
 | Barbara Steele Betts |
| Ronald Mlodzik Merrick |
 | Barry Baldaro Detective Heller |
| Camil Ducharme Mr. Guilbault |
| Hanna Poznanska Mrs. Guilbault |
| Wally Martin Doorman |
 | Vlasta Vrana Kresimer Sviben |
| Silvie Debois Benda Sviben |
| Charles Perley Delivery Boy |
| Al Rochman Parkins |
| Julie Wildman Miss Lewis |
| Arthur Grosser Mr. Wolfe |
| Edith Johnson Olive |
 | Dorothy Davis Vi |
 | Joy Coghill Mona Wheatley |
 | Joan Blackman Elevator Mother |
 | Kirsten Bishop Elevator Daughter |
 | Fred Döderlein Emil Hobbes |
 | Sonny Forbes Garbage Room Man |
| Nora Johnson Laundry Woman |
| Cathy Graham Annabelle |
| Robert Brennen Boy |
 | Felicia Shulman Girl |
| Roy Wittan Bearded Man |
| Denis Payne First Elevator Man |
| Kevin Fenlow Second Elevator Man |
 | David Cronenberg Infected Crowd Member (uncredited) |
| Production | |
| Don Carmody | Co-Producer |
| John Dunning | Executive Producer |
Costume & Make-Up | |
| Suzanne Garand | Makeup Artist |
Production | |
| Don Carmody | Production Manager |
Directing | |
| David Cronenberg | Director |
Art | |
| Erla Gliserman | Art Direction |
Camera | |
| Robert Saad | Director of Photography |
Writing | |
| David Cronenberg | Writer |
Visual Effects | |
| Joe Blasco | Creature Design |
Editing | |
| Patrick Dodd | Editor |
Production | |
| André Link | Executive Producer |
| Alfred Pariser | Executive Producer |
| Ivan Reitman | Producer |
Costume & Make-Up | |
| Joe Blasco | Special Effects Makeup Artist |
Camera | |
| Rick Maguire | First Assistant Camera |
| Attila Dory | Still Photographer |
| Paul Gravel | Second Assistant Camera |
| John Daoust | Key Grip |
| Jim Lawler | Assistant Grip |
Lighting | |
| Dexter Pattie | Assistant Electrician |
Costume & Make-Up | |
| Louisette Champagne | Assistant Makeup Artist |
Sound | |
| Jean-Claude Matte | Boom Operator |
Crew | |
| Fournier Fréres | Stunts |
Lighting | |
| John Sawyer | Gaffer |
Sound | |
| Len Blum | Sound Assistant |
Art | |
| Rose Marie McSherry | Art Department Assistant |
Production | |
| Cliff Rothman | Production Assistant |
Sound | |
| Jim Thompson | Boom Operator |
Lighting | |
| Tom Sawyer | Electrician |
Production | |
| Josette Perrotta | Production Secretary |
Directing | |
| Diane Boucher | Continuity |
Production | |
| Irene Litinsky | Production Secretary |
| Stewart Harding | Production Assistant |
Camera | |
| Yves Drapeau | First Assistant Camera |
Sound | |
| Michael Higgs | Sound Recordist |
| Nolan Roberts | Sound Re-Recording Mixer |
Crew | |
| Fred Mollin | Compositor |
