Cast
Wolfgang Kieling
(voice) (uncredited)
Thomas Reiner
(voice) (uncredited)
Kees Brusse
Frank Finlay
Commissaris Simon "Piet" van der Valk
Helmut Käutner
Canisius
Hans Helmut Dickow
Stössl
Françoise Prévost
Arlette van der Valk
Marte Harell
Mrs Kramer
Judy Winter
Anne-Marie Marchal
Erich Padalewski
Serak
Michael Ande
(voice) (uncredited)
Eva Pflug
(voice) (uncredited)
Fritz Tillmann
(voice) (uncredited)