Crew
Peter Zadek
Director
RM
Robert Muller
Writer
Peter Zadek
Writer
Walter Lassally
Director of Photography
PS
Peter Schirmann
Original Music Composer
Cast
Frank Finlay
Commissaris Simon "Piet" van der Valk
Cyd Hayman
Lucienne Englebert
Françoise Arnoul
Solange de Winter
Oskar Homolka
Hoofdcommissaris Samson
Werner Finck
Mankiewicz
Pierre Vaneck
Stam
PR
Peter Roggisch
Royaard
Françoise Prévost
Arlette van der Valk
Hans Járay
Englebert
Günter Lamprecht
Bernard Neefs
Hansjörg Felmy
(voice) (uncredited)
