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