Robert Alda character George Gershwin
Joan Leslie character Julie Adams
Alexis Smith character Christine Gilbert
Charles Coburn character Max Dreyfus
Julie Bishop character Lee Gershwin
Albert Bassermann character Prof. Franck
Morris Carnovsky character Morris Gershwin
Rosemary DeCamp character Rose Gershwin
Oscar Levant character Himself
Paul Whiteman character Himself
Al Jolson character Himself
George White character Himself
Hazel Scott character Hazel Scott
Anne Brown character Bess
Herbert Rudley character Ira Gershwin
John B. Hughes character Hughes
Mickey Roth character George Gershwin as a Boy
Darryl Hickman character Ira Gershwin as a Boy
Charles Halton character Mr. Kast
Andrew Tombes character Mr. Million
Gregory Golubeff character Mr. Katzman
Walter Soderling character Mr. Muscatel
Eddie Marr character Buddy De Sylva
Theodore von Eltz character Foley
Bill Kennedy character Herbert Stone
Oscar Loraine character Maurice Ravel
Johnny Downs character Dancer
Ernest Golm character Otto Kahn
Martin Noble character Jascha Heifetz
Hugo Kirchhoffer character Walter Damrosch
Will Wright character Rachmaninoff
Lynn Baggett character Guest (uncredited)
Gower Champion character Tap Dancer at Remick's (uncredited)
Elsa Maxwell character Elsa Maxwell (uncredited)
Mark Stevens character Steve (uncredited)
Charles Waldron character Doctor (uncredited)
Bernard DeRoux character Porter (uncredited)
