Directed by
| Jack Alexander | ||
Writing Credits (in alphabetical order)
| Paul Monash | ||
Cast (in credits order)
| Harry Townes | ... | Igor Gouzenko | |
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Irja Jensen | ... | Katya Gouzenko |
| Jacques Aubuchon | ... | Volov | |
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Robert Goodier | ... | Victor Collier |
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Alan Mills | ... | Chertok (as Albert Miller) |
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Caren Shaffer | ... | Jean Gouzenko |
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Kenneth Wolfe | ... | Stephen Gouzenko |
| Will Kuluva | ... | Rostovich | |
| Ovila Légaré | ... | Inspector Boucher | |
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Igor Gouzenko | ... | Self (epilogue) |
| Rest of cast listed alphabetically: | |||
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Westbrook Van Voorhis | ... | Narrator, opening sequence |
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Jeannine Beaubien | ... | Miss Lawrence (uncredited) |
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George Bloomfield | ... | Local Montreal Agent (uncredited) |
Produced by
| Fred Feldkamp | ... | producer |
Cinematography by
| Akos Farkas | ... | director of photography |
Editing by
| David J. Cazalet | ... | (as David Cazalet) |
Production Management
| Joseph Trimarco | ... | production manager: of Brandt Enos Associates |
Second Unit Director or Assistant Director
| Irene Zerebko | ... | assistant director |
Sound Department
| Kenneth Hawk | ... | sound engineer |
Special Effects by
| Joseph Zuckerman | ... | special effects |
Camera and Electrical Department
| Benoit Jobin | ... | operating cameraman |
Music Department
| Jack Shaindlin | ... | musical director |
| Sidney Torch | ... | composer: stock music (uncredited) |
Script and Continuity Department
| Hugette Schmidt | ... | script girl |
Additional Crew
| Louise Chambers | ... | assistant to the producer |