Piet Kamerman

as Konraad

as Lowietje

as Samuel

as Attendant

as Oom

as Lowietje (51 episodes)

as Debrie

as Guido Vercauteren

as Van Driel (1 episode)

as John MacLeod (1 episode)

as Bob

as Blekemolen (15 episodes)

as Steyn de Weert (7 episodes)

as Dr. Van Doorn (3 episodes)