Leslie Caron
Role: Gilberte "Gigi"
Maurice Chevalier
Role: Honoré Lachaille
Louis Jourdan
Role: Gaston Lachaille
Hermione Gingold
Role: Madame Alvarez ("Mamita")
Eva Gabor
Role: Liane d'Exelmans
Jacques Bergerac
Role: Sandomir
Isabel Jeans
Role: Aunt Alicia
Corinne Marchand
Role: Young Lady with White Sunshade
Marie-Hélène Arnaud
Role: Girl at Maxim's
Anne-Marie Mersen
Role: Maxim Girl
Jack Ary
Role: Waiter at "Palais de Glace" (uncredited)
Daniel Aubé
Role: A boy at Jardins des Tuileries (uncredited)
Richard Bean
Role: Harlequin (uncredited)
Cecil Beaton
Role: Gentleman in Park (uncredited)
Jacques Bertrand
Role: Maitre d'Hotel Maxim's (uncredited)
Paul Cristo
Role: Restaurant Patron (uncredited)
Hubert de Lapparent
Role: Gaston's Private Secretary (uncredited)
Cilly Feindt
Role: Girl on Horseback at Pré Catelan (uncredited)
Edwin Jerome
Role: Charles - Alicia's Butler (uncredited)
Maurice Marsac
Role: Prince Berensky (uncredited)
Bernard Musson
Role: Guest at Maxim's (uncredited)
Dorothy Neumann
Role: Designer (uncredited)
Jean Ozenne
Role: Monsieur Lachaille (uncredited)
Maruja Plose
Role: Mannequin (uncredited)
Roger Saget
Role: Pierre (uncredited)
Pat Sheehan
Role: Blonde (uncredited)
Marilyn Simms
Role: Redhead (uncredited)
Lydia Stevens
Role: Simone (uncredited)
Jack Trevan
Role: Coachman (uncredited)
François Valorbe
Role: Henri - Gaston's Butler (uncredited)
Monique van Vooren
Role: Showgirl (uncredited)
Betty Wand
Role: Gigi (singing voice) (uncredited)
Leroy Winebrenner
Role: Lifeguard (uncredited)
