
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)