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.
as Maj. John Tarrant
as Cedric Harper
as Ceil Burrows
as Alf Chestermann
as McKee
as Chief Supt. Wray
as Alex Tarrant
as Lady Melissa Julyan
as Sir Edward Julyan
as Bateson
as Monitoring Policeman
as Mike McCarthy
as Jane Harper
as Miss Monley
as Ilkeston
as Margaret
as MI5 Man
as Hetty
as Gen. St. John
as Jacques (uncredited)
as Shadow (uncredited)
as Doctor (uncredited)
as M15 Man (uncredited)
as Pincus (uncredited)
as Secretary (uncredited)
as Jeweller (uncredited)
as M15 Man (uncredited)
as Manageress (uncredited)
as Commuter (uncredited)
as Tourist (uncredited)
as Customs Officer (uncredited)
