A British agent's son is kidnapped and held for a ransom of diamonds. The agent finds out that he can't even count on the people he thought were on his side to help him, so he decides to track down the kidnappers himself.
Maj. John Tarrant
Cedric Harper
Ceil Burrows
Alf Chestermann
McKee
Chief Supt. Wray
Alex Tarrant
Lady Melissa Julyan
Sir Edward Julyan
Bateson
Monitoring Policeman
Mike McCarthy
Jane Harper
Miss Monley
Ilkeston
Margaret
MI5 Man
Hetty
Gen. St. John
Jacques (uncredited)
Shadow (uncredited)
Doctor (uncredited)
M15 Man (uncredited)
Pincus (uncredited)
Secretary (uncredited)
Jeweller (uncredited)
M15 Man (uncredited)
Manageress (uncredited)
Commuter (uncredited)
Tourist (uncredited)
Customs Officer (uncredited)
