Casts
Wolfgang Kieling
Commissaris Simon "Piet" van der Valk
Catherine Schell
Sophie Ray
William Marlowe
Martin Ray
Guy Deghy
Will Munch
Liesbeth Struppert
Dr Tulp
Piet Römer
Detective
Onno Molenkamp
Henk
Peter Burton
Herman Ketelboer
André van den Heuvel
Professor Comerius
