 Donald O'ConnorDonald J. O'Connor | Donald J. O'Connor |
 Gloria JeanPatricia Davis | Patricia Davis |
 Peggy RyanPeggy | Peggy |
 Robert PaigeJohnny Hanley | Johnny Hanley |
 Elyse KnoxAlice Taswell | Alice Taswell |
 Samuel S. HindsJeremy Taswell | Jeremy Taswell |
| RRobert ScheererBobby (as Bobby Scheerer) | Bobby (as Bobby Scheerer) |
| RRichard StewartGenius | Genius |
 Elinor DonahueMuggsy | Muggsy |
 Florence BatesMrs. Mary Davis | Mrs. Mary Davis |
 Ray EberleRay Eberle | Ray Eberle |
| EEddie MillerLeader, Eddie Miller's Bob Cats | Leader, Eddie Miller's Bob Cats |
 Ben CarterBen Carter - Choir Leader | Ben Carter - Choir Leader |
 Irving BaconJimmy, Malt Shop Proprietor | Jimmy, Malt Shop Proprietor |
| WWilliam RuhlProducer | Producer |
| AAlan WardProducer | Producer |
| JJimmie LucasGardener | Gardener |
| LLassie Lou AhernDancer (uncredited) | Dancer (uncredited) |
| DDorothy Babb'Jivin' Jacks and Jills' Member (uncredited) | 'Jivin' Jacks and Jills' Member (uncredited) |
| BBobby BrooksSpecialty Act (uncredited) | Specialty Act (uncredited) |
 Roland Dupree'Jivin' Jacks and Jills' Member (uncredited) | 'Jivin' Jacks and Jills' Member (uncredited) |
 Bess FlowersTheatrical Party Member (uncredited) | Theatrical Party Member (uncredited) |
| KKaren X. GaylordTheatrical Party Member (uncredited) | Theatrical Party Member (uncredited) |
| JJean InnessTheatrical Party Member (uncredited) | Theatrical Party Member (uncredited) |
| CCharles MarshTheatrical Producer (uncredited) | Theatrical Producer (uncredited) |
 Shirley Mills'Jivin' Jacks and Jills' Member (uncredited) | 'Jivin' Jacks and Jills' Member (uncredited) |
 Bert MoorhouseTheatrical Producer (uncredited) | Theatrical Producer (uncredited) |
 Patsy O'ConnorGenius' Dancing Partner (uncredited) | Genius' Dancing Partner (uncredited) |
 Tommy Rall'Jivin' Jacks and Jills' Member (uncredited) | 'Jivin' Jacks and Jills' Member (uncredited) |
 Emmett VoganTheatrical Party Member (uncredited) | Theatrical Party Member (uncredited) |
