TV Shows (Acting Roles)
Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages
Oppassen!!!
Willem Westermann was ? in Oppassen!!! as 'Harold, Dr. Aarons'.TV Show Released: First Air Date
Sat, Mar 09 1991

Goede Tijden, Slechte Tijden
Willem Westermann was ? in Goede Tijden, Slechte Tijden as 'Dokter de Jong'.TV Show Released: First Air Date
Mon, Oct 01 1990