 | Peter Cushing als Wilbur Gray |
 | Ray Milland als Frank Richards |
 | Joan Greenwood als Miss Malkin |
 | Susan Penhaligon als Janet (segment 1 "London 1912") |
 | Donald Pleasence als Valentine De'ath (segment 3 "Hollywood 1936") |
 | Samantha Eggar als Edina Hamilton (segment 3 "Hollywood 1936") |
 | John Vernon als Pomeroy (segment 3 "Hollywood 1936") |
 | Roland Culver als Wallace (segment "London 1912") |
 | Simon Williams als Michael (segment "London 1912") |
 | Alexandra Stewart als Mrs. Joan Blake (segment "Quebec Province 1975") |
 | Donald Pilon als Mr. Blake (segment "Quebec Province 1975") |
 | Chloe Franks als Angela Blake (segment "Quebec Province 1975") |
 | Katrina Holden Bronson als Lucy (segment "Quebec Province 1975") (as Katrina Holden) |
| Renée Girard als Mrs. Maitland (segment "Quebec Province 1975") |
 | Catherine Bégin als Madeleine (segment "Hollywood 1936") |
 | Jean LeClerc als Barrington (segment "Hollywood 1936") |
 | Sean McCann als Inspector (segment "Hollywood 1936") |
| Michel Parry | Screenplay |
| Denis Héroux | Director |
| Robert A. Kanto | Executive Producer |
| Harry Pottle | Production Design |
| Wilfred Josephs | Original Music Composer |
| René Dupont | Producer |
| Milton Subotsky | Producer |
| Richard R. St. Johns | Executive Producer |
| Michel Guay | Editor |
| Nicoletta Massone | Costume Design |
| Keith Palmer | Editor |
| Claude Héroux | Producer |
| Peter Weatherley | Editor |
| Wolf Kroeger | Production Design |
| Joyce Stoneman | Costume Design |
| Harold Greenberg | Executive Producer |
| Harry Waxman | Director of Photography |
| James Bawden | Camera Operator |
| Jack Causey | Assistant Director |
| Pat McDermott | Hairdresser |
| Jean-Marie Buquet | Camera Operator |
| Gordon K. McCallum | Sound Mixer |
| Jim Brennan | Unit Manager |
| Denis Girard | Hairdresser |
| Dan Slater | Publicist |
| Claude Léger | Production Manager |
| Brigitte McCaughry | Makeup Artist |
| Stéphane Reichel | Assistant Art Director |
| Thomas Metzger | Color Timer |
| Ron Seltzer | Sound Recordist |
| Jack T. Knight | Sound Editor |
| Albert Clarke | Still Photographer |
| Prudence Emery | Publicist |
| Sam Williams | Production Accountant |
| Peter Childs | Assistant Art Director |
| Attila Dory | Still Photographer |
| Georgiana Hamilton | Continuity |
| Justice Bouchard | Second Unit Director |
| Micheline Bonin | Production Accountant |
| Ron Barron | Sound Recordist |
| Philip Martell | Conductor |
| Frances Gallagher | Continuity |
| Daniel Hausmann | Unit Manager |
