Cast
Igor Gouzenko
Anna Gouzenko
Nina Karanova
John Grubb, aka «Paul»
Mrs. Albert Foster
Col. Ilya Ranov
Dr. Harold Preston Norman, aka «Alec»
Maj. Semyon Kulin
Col. Aleksandr TrigorinEditor, not listed in credits Bushkin, not listed in credits Helen Tweedy, aka 'Nellie', not listed in creditsа Capt. Kulin, not listed in creditsа 
Secretary to the Minister of Justice, not listed in creditsPoliceman, not listed in credits 
Albert Foster (scenes deleted), not listed in credits
рассказчик, not listed in credits
Leonard Leitz, not listed in credits
Andrei Gouzenko, not listed in credits
RCMP Officer Murphy, not listed in creditsLt. Josef Sergeyev, not listed in credits Bailiff with Hollis, not listed in credits 
Radio Commentator, voice acting, not listed in creditsSpy on Trial, not listed in credits William W. Hollis, not listed in credits 
Cipher Lt. Vinikov, not listed in credits
Capt. Donald P. Class, not listed in credits
