 Mickey RooneyTommy Williams | Tommy Williams |
 Judy GarlandPenny Morris | Penny Morris |
 Fay BainterMiss Jones | Miss Jones |
 Virginia WeidlerJo Conway | Jo Conway |
 Ray McDonaldRay Lambert | Ray Lambert |
 Richard QuineMorton Hammond | Morton Hammond |
 Donald MeekMr. Stone | Mr. Stone |
 Alexander WoollcottAlexander Woollcott | Alexander Woollcott |
 Luis AlberniNick | Nick |
 James GleasonThornton Reed | Thornton Reed |
 Emma DunnMrs. Williams | Mrs. Williams |
| FFrederick BurtonMr. Morris | Mr. Morris |
 Cliff ClarkInspector Moriarity | Inspector Moriarity |
 William Post Jr.Announcer | Announcer |
| WWilliam Ripley DorrChurch Choir (uncredited) | Church Choir (uncredited) |
 Will LeeShorty, Drugstore Waiter / Cook (uncredited) | Shorty, Drugstore Waiter / Cook (uncredited) |
 Sidney MillerTony (uncredited) | Tony (uncredited) |
 Margaret O'BrienMaxine (uncredited) | Maxine (uncredited) |
 Joe YuleMason, Reed's Assistant | Mason, Reed's Assistant |
 Anne RooneyHammond's Singing Partner | Hammond's Singing Partner |
 Donna ReedSecretary (uncredited) | Secretary (uncredited) |
 Jack 'Tiny' LipsonHefty Customer at Nick's (uncredited) | Hefty Customer at Nick's (uncredited) |
 Lester DorrReed's Writer (uncredited) | Reed's Writer (uncredited) |
