Diretor/a
Jack Alexander
DIRETOR/A
Elenco (na ordem dos créditos)
Harry Townes
Igor Gouzenko
Irja Jensen
Katya Gouzenko
Jacques Aubuchon
Volov
Robert Goodier
Victor Collier
Alan Mills
Chertok
Caren Shaffer
Jean Gouzenko
Kenneth Wolfe
Stephen Gouzenko
Will Kuluva
Rostovich
Ovila Légaré
Inspector Boucher
Self (epilogue)
Westbrook Van Voorhis
Narrator, opening sequence
Jeannine Beaubien
Miss Lawrenceuncredited
George Bloomfield
Local Montreal Agentuncredited