Wilhelm Prager was a German stage and film actor, theater director, film director, and film producer specializing in documentaries.
Tischlein deck dich, Eselein streck dich, Knüppel aus dem Sack
1921 · as Der Wirt
Die Augen der Welt
1920 · as Henrik van Derp
Salon der Meerungeheuer
1930 · as Show Booth Owner