as Fons
as Richard
as Dieter Adriaansens(1 ep)
as Dieter Adriaansens/Lennon(1 ep)
as Richard
as Voice-over(11 eps)
as Opa Jan(8 eps)
as Richard(6 eps)
as Kees(10 eps)
as Richard van Kampen
as Nico(3 eps)
as Voice-over(6 eps)
as Captain SS Rotterdam
as Willem(1 ep)
as Vader Bas
as Vader Alex(7 eps)
as Nikkelen Nelly(1 ep)
as Meester Menno (voice)
as Arend Valk(15 eps)
as Principal
as Opa Darius(50 eps)
as Pa
as Henk van Langeveld(8 eps)
as Dr. Doolittle
as Joop
as Huub
as Mr. van Dol(1 ep)
as Inspector
as Arie Kooijman(1 ep)
as Rob
as Father Antoin
as Simon
as Karel Groen(1 ep)
as Don
as Dutch Soccer Coach
as Ernie T.(1 ep)
as Karel
as Dr. Doolittle
as Inspecteur
as Pooijer(1 ep)
as Dr. Doolittle(27 eps)
as Meneer Visser(1 ep)