Stephen Haggard
as Wolfgang Amadeus Mozart
Victoria Hopper
as Constance Mozart
John Loder
as Prince Lobkowitz
Jean Cadell
as Frau Mozart
Hubert Harben
as Leopold Mozart
Frederick Leister
as Emperor
Marie Lohr
as Empress
Laurence Hanray
as Archbishop of Salzburg
Deidre Gale
as Antoinette as a Child
Pat Fitzpatrick
as Mozart as a Boy
Norman Walker
as Emanuel Schikaneder
George Curzon
as Lorenzo Da Ponte
