Olaf Pooley

as Straker

as Von Leicher

as Detective-Interrogator

as John the Gardener

as Bikstein

as Reid

as Officer of the Watch - 'Sheffield' (uncredited)

as Major Osip Feodor Ganovich

as Igor Trubenoff

as Cheri, male secretary

as Swiss Cashier

as Maldor

as Cleric

as Dr. Sidney Marlowe

as Director Stahlman

as Professor Stahlman

as Judge

as Adams

as Commissioner Braun

as Mark Fuller

as Captain Bailey