Police Captain Karl Torok
Madalaine
Count Peter Alvinczy
Julie - Hotel Chambermaid
Police Lt. Gabor
Hotel Porter
Prefect of Police
Professor Omega (as Arthur Edmund Carew)
Lisa
Katherine Szabo
Paul Szegedy
Party Guest (uncredited)
Taxi Driver (uncredited)
Policeman (uncredited)
Ambassador - Party Guest (uncredited)
Police Secretary (uncredited)
Cafe Owner (uncredited)
Party Servant (uncredited)
Cafe Owner's Wife (uncredited)
Baron de Palma - Party Guest (uncredited)
Hans (uncredited)
Torok's Sweetheart (uncredited)