| Person | Type | Job | Role(s) |
|---|---|---|---|
 Adrienne Fazan | Crew | Editing | Editor |
 Alan Jay Lerner | Crew | Writing | Screenplay, Lyricist |
 Arthur Freed | Crew | Production | Producer |
 Cecil Beaton | Crew | Art | Production Design, Costume Design |
 Colette | Crew | Writing | Novel |
 E. Preston Ames | Crew | Art | Art Direction |
F. Keogh Gleason | Crew | Art | Set Decoration |
Frederick Loewe | Crew | Sound | Songs, Music |
Henry Grace | Crew | Art | Set Decoration |
 Joseph Ruttenberg | Crew | Camera | Director of Photography |
 Sydney Guilaroff | Crew | Costume & Make-Up | Hairstylist |
 Vincente Minnelli | Crew | Directing | Director |
Wesley C. Miller | Crew | Sound | Recording Supervision |
William A. Horning | Crew | Art | Art Direction |
William McGarry | Crew | Directing | Assistant Director |
William Shanks | Crew | Directing | Assistant Director |
 Bernard Musson | Cast | Actor | Guest at Maxim's (uncredited) |
Cecil Beaton | Cast | Actor | Gentleman in Park (uncredited) |
 Corinne Marchand | Cast | Actress | Young Lady with White Sunshade |
 Dorothy Neumann | Cast | Actress | Designer (uncredited) |
 Edwin Jerome | Cast | Actor | Charles - Alicia's Butler (uncredited) |
 Eva Gabor | Cast | Actress | Liane d'Exelmans |
François Valorbe | Cast | Actor | Henri - Gaston's Butler (uncredited) |
 Hermione Gingold | Cast | Actress | Madame Alvarez ("Mamita") |
 Hubert de Lapparent | Cast | Actor | Gaston's Private Secretary (uncredited) |
 Isabel Jeans | Cast | Actress | Aunt Alicia |
 Jack Ary | Cast | Actor | Waiter at "Palais de Glace" (uncredited) |
 Jacques Bergerac | Cast | Actor | Sandomir |
Jacques Bertrand | Cast | Maitre d'Hotel Maxim's (uncredited) | |
 Jean Ozenne | Cast | Actor | Monsieur Lachaille (uncredited) |
 John Abbott | Cast | Actor | Manuel |
 Leslie Caron | Cast | Actress | Gilberte "Gigi" |
 Louis Jourdan | Cast | Actor | Gaston Lachaille |
 Marie-Hélène Arnaud | Cast | Actress | Girl at Maxim's |
 Maurice Chevalier | Cast | Actor | Honoré Lachaille |
 Maurice Marsac | Cast | Actor | Prince Berensky (uncredited) |
 Monique van Vooren | Cast | Actress | Showgirl (uncredited) |
 Pat Sheehan | Cast | Actress | Blonde (uncredited) |
Paul Cristo | Cast | Actor | Restaurant Patron (uncredited) |
Roger Saget | Cast | Actor | Pierre (uncredited) |
Lydia Stevens | Cast | Simone (uncredited) | |
 Anne-Marie Mersen | Cast | Actress | Maxim Girl |
 Cilly Feindt | Cast | Actress | Girl on Horseback at Pré Catelan (uncredited) |
Marilyn Simms | Cast | Redhead (uncredited) | |
Betty Wand | Cast | Gigi (singing voice) (uncredited) | |
Daniel Aubé | Cast | A boy at Jardins des Tuileries (uncredited) | |
Richard Bean | Cast | Harlequin (uncredited) | |
Maruja Plose | Cast | Mannequin (uncredited) | |
Leroy Winebrenner | Cast | Lifeguard (uncredited) | |
Jack Trevan | Cast | Coachman (uncredited) | |
| Person | Type | Job | Role(s) |
