Gernot
Sabatino Lepori
Jonathan Harker
Rex Forrester
Roland
Peter von Hallstein
Inspector Ruppert Redford
Dr. Johnson
Inspector Thomas
Principe
Pietro Formari
Helmut von Danzig
Viscount Gilbert de Villancourt
Philippe Avrecas
Vladimir Stanislas Racoczi
Alvise
Self
Capt. Grabner
Dario Lippi
Robert Breiton
Man in Nightclub (uncredited)
Henry
Secondo pescatore
Jerry Hoover