Charles Halton
Mr. Kast
Charles Coburn
Max Dreyfus
Charles Waldron
Doctor (uncredited)
Al Jolson
Al Jolson
Oscar Levant
Oscar Levant
Albert Bassermann
Prof. Franck
Joan Leslie
Julie Adams
Rosemary DeCamp
Rose Gershwin
Morris Carnovsky
Morris Gershwin
Walter Soderling
Mr. Muscatel
Will Wright
Rachmaninoff
Andrew Tombes
Mr. Million
Herbert Rudley
Ira Gershwin
Alexis Smith
Christine Gilbert
Eddie Marr
Buddy De Sylva
Darryl Hickman
Ira Gershwin as a Boy
Julie Bishop
Lee Gershwin
Lynn Baggett
Guest (uncredited)
Mark Stevens
Steve (uncredited)
Bill Kennedy
Herbert Stone
Theodore von Eltz
Foley
Robert Alda
George Gershwin
Gower Champion
Tap Dancer at Remick's (uncredited)
Johnny Downs
Dancer
Hazel Scott
Hazel Scott
Elsa Maxwell
Elsa Maxwell (uncredited)
Paul Whiteman
Paul Whiteman