Jimmy Race
Nicholas Strang
Sandy Tate
Jeanne Moray
Gabor Czeki, alias Grisha
Anton Borvitch
Prime Minister Andreas Ordy
Minister of Justice Vajos
Biddle, an Editor
Dad Pelham
Henry (uncredited)
French Reporter (uncredited)
Franz (uncredited)
Miss Oster (uncredited)
Colonel Mannix (uncredited)
Phone Operator (uncredited)
Hungarian Embassy Reporter (uncredited)
Maitre d' (uncredited)
Victor (uncredited)
Paris-based New York Herald Tribune reporter Jimmy Race (Andrews) is sent by his boss (Sanders) behind the Iron Curtain in Budapest to investigate a meeting involving the Hungarian ambassador.