 Bing CrosbyJohnny Adams | Johnny Adams |
 Fred AstaireJed Potter | Jed Potter |
 Joan CaulfieldMary O'Hara | Mary O'Hara |
 Billy De WolfeTony | Tony |
 Olga San JuanNita Nova | Nita Nova |
 Mikhail RasumnyFrançois (uncredited) | François (uncredited) |
 Frank FaylenMack (uncredited) | Mack (uncredited) |
 Victoria HorneMartha (uncredited) | Martha (uncredited) |
 Karolyn GrimesMary Elizabeth Adams (uncredited) | Mary Elizabeth Adams (uncredited) |
 Jimmy ConlinJeffrey (uncredited) | Jeffrey (uncredited) |
 John DeauvilleDancer (uncredited) | Dancer (uncredited) |
 John GallaudetStage Manager (uncredited) | Stage Manager (uncredited) |
| AAudrey KornDancer (uncredited) | Dancer (uncredited) |
 Cliff NazarroCliff (uncredited) | Cliff (uncredited) |
 Rudolph ValentinoValentino (archive footage) (uncredited) | Valentino (archive footage) (uncredited) |
 Joan WoodburyFlo (uncredited) | Flo (uncredited) |
 Will WrightDan - Stage Manager (uncredited) | Dan - Stage Manager (uncredited) |
| GGene ColeDancer (uncredited) | Dancer (uncredited) |
 Audrey YoungChorine | Chorine |
| Joan WoodburyFlo | Flo |
 Florence WixNightclub Patron | Nightclub Patron |
| BBeverly ThompsonShowgirl | Showgirl |
 Mary StewartDancer / Singer | Dancer / Singer |
 Larry SteersGuest at Top Hat Nightclub | Guest at Top Hat Nightclub |
 Barbara SlaterMyrtle | Myrtle |
 Scott SeatonNightclub Patron | Nightclub Patron |
 Jeffrey SayreGuest at Hole in the Wall | Guest at Hole in the Wall |
| LLouise SaraydarSinger in Quartette | Singer in Quartette |
| MMary Jane ShoresDancer | Dancer |
 Jack PerrinRestaurant Patron | Restaurant Patron |
