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