Larry Parks
                    ....
                       Al Jolson
 
      Evelyn Keyes
                    ....
                       Julie Benson
           rest of cast listed alphabetically
      John Alexander (I)
                    ....
                       Lew Dockstader
      Jessie Arnold
                    ....
                       Wardrobe Woman
      Scotty Beckett
                    ....
                       Al Jolson (younger)
      Lilian Bond
                    ....
                       Woman
      Eugene Borden
                    ....
                       Headwaiter
      Bill Brandt
                    ....
                       Orchestra Leader
      Ernest Cossart
                    ....
                       Father McGee
      Donna Dax
                    ....
                       Girl Publicist
      William Demarest
                    ....
                       Steve Martin
                                            (S:AAN)
      Ludwig Donath
                    ....
                       Cantor Yoelson
      Eddie Fetherston
                    ....
                       Asst. Stage Manager
      William Forrest
                    ....
                       Dick Glenn
      Bill Goodwin
                    ....
                       Tom Baron
      Bud Gorman
                    ....
                       Call Boy
      Sam Harris
                    ....
                       Nightclubber
      Al Jolson
                    ....
                       Himself (Swanee sequence)
      Charles Jordan
                    ....
                       Asst. Stage Manager
      Eddie Kane
                    ....
                       Ziegfeld
      Edward Keane
                    ....
                       Director
      Mick Lally
                    ....
                       Lab Manager
      Pat Lane
                    ....
                       Cameraman
      Jimmy Lloyd
                    ....
                       Roy Anderson
      Arthur Loft
                    ....
                       Stage Manager
      George Magrill
                    ....
                       Gaffer
      Edwin Maxwell
                    ....
                       Oscar Hammerstein
      Helen O'Hara
                    ....
                       Dancer-Actress
      Eddie Rio
                    ....
                       Master of Ceremonies
      Adele Roberts
                    ....
                       Ingenue
      Fred Sears
                    ....
                       Cutter
      Fred F. Sears
      Harry Shannon
                    ....
                       Policeman Riley
      Tamara Shayne
                    ....
                       Mrs. Yoelson
      Bob Stevens
                    ....
                       Henry
      Ann E. Todd
                    ....
                       Ann Murray (younger)
      Emmett Vogan
                    ....
                       Jonsey
      Pierre Watkin
                    ....
                       Architect
      Will Wright
                    ....
                       Sourpuss Movie Patron