Knut MahlkeActorBornJanuary 30, 1943 (age 83) · Berlin, GermanyKnown forThe Flying ClassroomSeptember 2, 1954The Trapp Family in AmericaOctober 17, 1958The Trapp FamilyOctober 9, 1956Acting31958The Trapp Family in America1956The Trapp Family1954The Flying Classroom as Uli
