Elenco - Sing, You Sinners
Bing Crosby
Joe Beebe
Fred MacMurray
David Beebe
Donald O'Connor
Mike Beebe
Elizabeth Patterson
Mrs. Daisy Beebe aka Mother Beebe
Ellen Drew
Martha Randall
John Gallaudet
Harry Ringmer
William Haade
Pete
Paul White
Filter - Stable Boy
Irving Bacon
Lecturer on Seals
Tom Dugan
Race Track Fan
Herbert Corthell
Nightclub Manager
Harlan Briggs
Customer at Gas Station (uncredited)
Chester Clute
Race Tout at Lunch Counter (uncredited)
Heinie Conklin
Lunch Counter Proprietor (uncredited)
Billy Dooley
Bartender (uncredited)
Herbert Heywood
Al Burkee (uncredited)
Gwen Kenyon
Cigarette Girl (uncredited)Joyce Mathews
Hat-Check Girl (uncredited)
Bert Stevens
Race Track Spectator (uncredited)
Hayden Stevenson
Paddock Steward (uncredited)