Oskar Werner

as Professor Egon Kreisler

as Wehrmacht Officer (uncredited)

as Harold van Wyck

as Fr. David Telemond

as Stefan Zelter

as Guy Montag

as Fiedler

as Dr. Schumann

as Der Mann (Stimme)

as Jules

as Judas

as self

as Bacchus

as Student

as Wolfgang Amadeus Mozart

as Leutnant Zeno von Baumgarten

as Hauptmann Wüst

as Cpl. Karl Maurer - aka Happy

as Francois Mercier

as Rudi

as Peter Brück

as Student

as Herman Alt

as Karl, Beethovens Neffe

as Hermann Alt

as Hotelpage

as Liftboy