as Joop
as Pa
as Rob
as Karel
as Captain SS Rotterdam
as Richard van Kampen
as Meester Menno (voice)
as Dr. Doolittle
as Huub
as Inspector
as Simon
as Father Antoin
as Vader Bas
as Principal
as Karel Groen
as Mr. van Dol
as Vader Alex
as Pooijer
as Ernie T.
as Meneer Visser
as Arend Valk
as Richard
as Opa Darius
as Henk van Langeveld
as Opa Jan
as Willem
as Nico
as Voice-over
