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)