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