as Commissaris Simon "Piet" van der Valk
as Sophie Ray
as Martin Ray
as Elsa de Charmoy
as Will Munch
as Eric
as Magistrate
as Piet Ulbricht
as Dr Tulp
as Detective
as Henk
as Baron
as Policeman
as Herman Ketelboer
as Professor Comerius
as Weeping Wife
as Press