All Cast
Robert Powell
Gustav Mahler
Georgina Hale
Alma Mahler
Lee Montague
Bernhard Mahler
Miriam Karlin
Aunt Rosa
Rosalie Crutchley
Marie Mahler
Richard Morant
Max
Angela Down
Justine Mahler
Ronald Pickup
Nick
Peter Eyre
Otto Mahler
Dana Gillespie
Anna von Mildenburg
David Collings
Hugo Wolfe
Kenneth Colley
Krenek
Antonia Ellis
Cosima Wagner
Oliver Reed
Train Conductor
Andrew Faulds
Doctor on Train
George Coulouris
Doctor Roth
Arnold Yarrow
Grandfather
Elaine Delmar
Princess
Otto Diamant
Professor Sladky
Berwick Kaler
Dancing Officer at Mahler's Cremation (uncredited)