The Singing Fool: Reparto
Al Jolson
Al Stone
Betty Bronson
Grace
Josephine Dunn
Molly Winton
Arthur Housman
Blackie Joe
Reed Howes
John Perry
Davey Lee
Sonny Boy
Edward Martindel
Louis Marcus
Robert Emmett O'Connor
Cafe Owner Bill
Helen Lynch
Maid
Agnes Franey
'Balloon' Girl
James Cagney
Handsy Patron at Blackie Joe's (uncredited)
William H. O'Brien
Waiter at Blackie Joe's (uncredited)
Bob Perry
Doorman at Blackie Joe's (uncredited)
Carl M. Leviness
Carl – Waiter at Clicquot Club (uncredited)
Jack Stoutenburg
Little Boy (uncredited)