Wolfgang Amadeus Mozart

Stephen Haggard

Constance Mozart

Victoria Hopper

Emanuel Schikaneder

Norman Walker

Lorenzo Da Ponte

George Curzon

Weber

Richard Goolden

Frau Weber

Muriel George

Langer

Raymond Huntley

Josefa Weber

Leueen MacGrath

Singer

Oda Slobodskaya

Singer

Percy Heming

Singer

Tudor Davies

Singer

Enid James

Prince Lobkowitz

John Loder

Singer

Sylvia Nelis

Rowena Sanders

Himself - Conductor, London Symphony Orchestra

Thomas Beecham

(uncredited)

Clarence Bigge

(uncredited)

Arthur Burne

(uncredited)

Frank Crawshaw

(uncredited)

Aubrey Dexter

(uncredited)

Janet Fitzpatrick

(uncredited)

Tom Gill

(uncredited)

Morland Graham

Frau Mozart

Jean Cadell

(uncredited)

Arthur Hambling

Aloysia

Liane Haid

(uncredited)

John Clifford

Tenor

Max Oldaker

Pawnbroker (uncredited)

Fred Schwarz

Hans's Wife (uncredited)

Julie Suedo

Leopold Mozart

Hubert Harben

Emperor

Frederick Leister

Empress

Marie Lohr

Archbishop of Salzburg

Laurence Hanray

Antoinette as a Child

Deidre Gale

Mozart as a Boy

Pat Fitzpatrick

Writer

Margaret Kennedy

Scenario Writer

Gordon Wellesley

Director

Basil Dean