Leslie Caron

Gilberte "Gigi"

Maurice Chevalier

Honoré Lachaille

Louis Jourdan

Gaston Lachaille

Hermione Gingold

Madame Alvarez ("Mamita")

Eva Gabor

Liane d'Exelmans

Jacques Bergerac

Sandomir

Isabel Jeans

Aunt Alicia

John Abbott

Manuel

Corinne Marchand

Young Lady with White Sunshade

Marie-Hélène Arnaud

Girl at Maxim's

Anne-Marie Mersen

Maxim Girl

Jack Ary

Waiter at "Palais de Glace" (uncredited)

Daniel Aubé

A boy at Jardins des Tuileries (uncredited)

Richard Bean

Harlequin (uncredited)

Cecil Beaton

Gentleman in Park (uncredited)

Jacques Bertrand

Maitre d'Hotel Maxim's (uncredited)

Paul Cristo

Restaurant Patron (uncredited)

Hubert de Lapparent

Gaston's Private Secretary (uncredited)

Cilly Feindt

Girl on Horseback at Pré Catelan (uncredited)

Edwin Jerome

Charles - Alicia's Butler (uncredited)

Maurice Marsac

Prince Berensky (uncredited)

Bernard Musson

Guest at Maxim's (uncredited)

Dorothy Neumann

Designer (uncredited)

Jean Ozenne

Monsieur Lachaille (uncredited)

Maruja Plose

Mannequin (uncredited)

Roger Saget

Pierre (uncredited)

Pat Sheehan

Blonde (uncredited)

Marilyn Simms

Redhead (uncredited)

Lydia Stevens

Simone (uncredited)

Jack Trevan

Coachman (uncredited)

François Valorbe

Henri - Gaston's Butler (uncredited)

Monique van Vooren

Showgirl (uncredited)

Betty Wand

Gigi (singing voice) (uncredited)

Leroy Winebrenner

Lifeguard (uncredited)