Katharine Hepburn

Clara Wieck Schumann

Paul Henreid

Robert Schumann

Robert Walker

Johannes Brahms

Henry Daniell

Franz Liszt

Leo G. Carroll

Professor Wieck

Elsa Janssen

Bertha

Gigi Perreau

Julie

'Tinker' Furlong

Felix Schumann

Ann Carter

Marie Schumann

Janine Perreau

Eugenie Schumann

Jimmy Hunt

Ludwig Schumann

Anthony Sydes

Ferdinand Schumann

Eilene Janssen

Elise Schumann

Roman Bohnen

Dr. Hoffman

Ludwig Stössel

Haslinger

Tala Birell

Princess Valerie Hohenfels

Kurt Katch

Judge

Henry Stephenson

King Albert

Konstantin Shayne

Reinecke

George Chakiris

Choir Boy

Byron Foulger

Bailiff (uncredited)

Pierre Watkin

Duke of X (uncredited)

Winifred Harris

Woman at Party

Larry Simms

Prince Albert (uncredited)