 | Audrey Hepburn als Jo Stockton |
 | Fred Astaire als Dick Avery |
 | Kay Thompson als Maggie Prescott |
 | Michel Auclair als Prof. Emile Flostre |
 | Robert Flemyng als Paul Duval |
 | Dovima als Marion |
 | Suzy Parker als Specialty Dancer (Think Pink Number) |
 | Sunny Hartnett als Specialty Dancer (Think Pink Number) |
 | Jean Del Val als Hairdresser |
 | Virginia Gibson als Babs |
 | Sue England als Laura |
 | Ruta Lee als Lettie |
 | Alex Gerry als Dovitch |
 | Bess Flowers als Fashion Show Spectator |
 | Iphigenie Castiglioni als Armande |
 | Bert Stevens als Guest at Aborted Fashion Show |
 | Harold Miller als Guest at Aborted Fashion Show (uncredited) |
 | Franklyn Farnum als Guest at Duval's Fashion Show (uncredited) |
 | Brandon Beach als Guest at Aborted Fashion Show |
| Carole Eastman als Specialty Dancer (uncredited) |
 | Leoda Richards als Fashion Show Spectator |
| Marion Gray |
| Marilyn White als Receptionist (uncredited) |
| Edith Head | Costume Design |
| Roger Edens | Producer |
| Stanley Donen | Director |
| Hubert de Givenchy | Costume Design |
| Ray June | Director of Photography |
| Conrad Salinger | Orchestrator |
| George W. Davis | Art Direction |
| Leonard Gershe | Writer |
| Hal Pereira | Art Direction |
| Sam Comer | Set Decoration |
| George Leverett | Sound Recordist |
| Adolph Deutsch | Conductor |
| Alexander Courage | Orchestrator |
| Ray Moyer | Set Decoration |
| Richard Avedon | Title Designer |
| Adolph Deutsch | Orchestrator |
| Leonard Gershe | Additional Music |
| Wally Westmore | Makeup Supervisor |
| Skip Martin | Orchestrator |
| Nellie Manley | Hair Supervisor |
| William McGarry | Assistant Director |
| Winston H. Leverett | Sound Recordist |
| Carmel Snow | Thanks |
| Eugene Loring | Choreographer |
| Van Cleave | Orchestrator |
| Frank Bracht | Editor |
| John P. Fulton | Special Effects |
| Roger Edens | Additional Music |
| Richard Mueller | Other |
| Farciot Edouart | Special Effects |
| Fred Astaire | Choreographer |
| Robert McCrellis | Props |
| Mike Semenario | Grip |
| Charles Sickler | Grip |
| George Gershwin | Original Music Composer |
| George Gershwin | Songs |
| Ira Gershwin | Lyricist |
