 Ann BlythHelen Morgan | Helen Morgan |
 Paul NewmanLarry Maddux | Larry Maddux |
 Richard CarlsonRussell Wade | Russell Wade |
 Gene EvansWhitey Krause | Whitey Krause |
 Alan KingBenny Weaver | Benny Weaver |
 Cara WilliamsDolly Evans | Dolly Evans |
 Virginia VincentSue | Sue |
 Edward PlattJohnny Haggerty | Johnny Haggerty |
 Walter Woolf KingFlorenz Ziegfeld | Florenz Ziegfeld |
 Juanita MooreBackstage Maid | Backstage Maid |
 Herb VigranFinney (uncredited) | Finney (uncredited) |
 Dorothy GreenMrs. Wade | Mrs. Wade |
 Warren DouglasMark Hellinger | Mark Hellinger |
 Iris AdrianKlingman's Secretary | Klingman's Secretary |
 Walter WinchellSelf | Self |
 Eve WhitneySociety Woman | Society Woman |
 Bess FlowersWoman at boat dock (uncredited) | Woman at boat dock (uncredited) |
 Juli RedingCigarette Girl (uncredited) | Cigarette Girl (uncredited) |
| GGogi GrantHelen Morgan (singing voice) (voice) | Helen Morgan (singing voice) (voice) |
| TThe De Castro SistersSingers | Singers |
 Sammy WhiteSammy White | Sammy White |
| NNicky BlairVendor (scenes deleted) | Vendor (scenes deleted) |
 James DouglasIntern (scenes deleted) | Intern (scenes deleted) |
 Frank SullyVendor (scenes deleted) | Vendor (scenes deleted) |
| JJean AndrenMinor Role (uncredited) | Minor Role (uncredited) |
| RRoxanne ArlenShowgirl (uncredited) | Showgirl (uncredited) |
 Joanne ArnoldBlonde (uncredited) | Blonde (uncredited) |
 Al BainDrunk (uncredited) | Drunk (uncredited) |
| AAlphonse BergéCustomer (uncredited) | Customer (uncredited) |
 Joe BesserBartender (uncredited) | Bartender (uncredited) |
