A former British Secret Service agent is persuaded to negotiate a spy exchange with Russia, only to find himself drawn into political intrigues.
Roy Ward Baker | Director |
Jimmy Sangster | Novel |
Jimmy Sangster | Screenplay |
Harold D. Cohen | Executive Producer |
Jimmy Sangster | Producer |
Johnny Pearson | Music |
Arthur Grant | Cinematography |
Spencer Reeve | Editor |
Scott MacGregor | Art Direction |
Eddie Knight | Makeup Artist |