Elenco
Frank Finlay
Commissaris Simon "Piet" van der Valk
Andrée Champeaux
Mrs Barkhuis
Odile Versois
Miss Lindberg
Hans Christian Blech
Berenson
Jacques Monod
The Mayor
Danièle Girard
The Mayor's wife
Vernon Dobtcheff
Reinders
Eva Simonet
Betty Reinders
Dominique MacAvoy
Betty Reinders's sister
Françoise Prévost
Arlette van der Valk
Alan Adair
The Prosecutor
René Arrieu
The dairy manager