Wam HeskesActing·1891·Delft, Zuid-Holland, NetherlandsWillem Frederik 'Wam' Heskes (1891-1973) was a Dutch (voice) actor. He was best known for his popular radio shows, in which he often played comedic characters like Koos Koen and Juffrouw de Bonk.Known forIMDb0.0Dutch in Seven LessonsMovie · 1948Credits1AllMoviesTV showsAll departments▼1948Dutch in Seven LessonsMovieas Cameraman / Koos Koen