Katharine Hepburn as Clara Wieck Schumann

Paul Henreid as Robert Schumann

Robert Walker as Johannes Brahms

Henry Daniell as Franz Liszt

Leo G. Carroll as Professor Wieck

Elsa Janssen as Bertha

Gigi Perreau as Julie

'Tinker' Furlong as Felix Schumann

Ann Carter as Marie Schumann

Janine Perreau as Eugenie Schumann

Jimmy Hunt as Ludwig Schumann

Anthony Sydes as Ferdinand Schumann

Eilene Janssen as Elise Schumann

Roman Bohnen as Dr. Hoffman

Ludwig Stössel as Haslinger

Tala Birell as Princess Valerie Hohenfels

Kurt Katch as Judge

Henry Stephenson as King Albert

Konstantin Shayne as Reinecke

George Chakiris as Choir Boy

Byron Foulger as Bailiff (uncredited)

Pierre Watkin as Duke of X (uncredited)

Winifred Harris as Woman at Party