George Gershwin
Julie Adams
Christine Gilbert
Max Dreyfus
Lee Gershwin
Prof. Franck
Morris Gershwin
Rose Gershwin
Oscar Levant
Paul Whiteman
Al Jolson
George White
Hazel Scott
Bess
Ira Gershwin
Hughes
George Gershwin as a Boy
Ira Gershwin as a Boy
Mr. Kast
Mr. Million
Mr. Katzman
Mr. Muscatel
Buddy De Sylva
Foley
Herbert Stone
Maurice Ravel
Dancer
Otto Kahn
Jascha Heifetz
Walter Damrosch
Rachmaninoff
Guest (uncredited)
Tap Dancer at Remick's (uncredited)
Elsa Maxwell (uncredited)
Steve (uncredited)
Doctor (uncredited)
Porter (uncredited)
Nightclub Patron (uncredited)