as Peter
as Rudy
as Bart
as Monnk
as Fritz
as Rat (Dutch voice)
as Lodewijk
as Himself
as Zielepiet
as Jelle van Santen
as Dr. Thomas van Loon
as Peter Pette
as Peter F. de Boer
as Jan-Willem Oostveen
as Johan Derksen/Hugo de Jonge
