Cast
- Harry Townes as Igor Gouzenko
- Irja Jensen as Katya Gouzenko
- Jacques Aubuchon as Volov
- Robert Goodier as Victor Collier
- Alan Mills as Chertok
- Caren Shaffer as Jean Gouzenko
- Kenneth Wolfe as Stephen Gouzenko
- Will Kuluva as Rostovich
- Ovila Légaré as Inspector Boucher
- Igor Gouzenko as Self (epilogue)
Crew
- Jack Alexander · Director
- Paul Monash · Writer
- Fred Feldkamp · Producer
- Akos Farkas · Cinematographer
- David J. Cazalet · Editor