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)

Cecil Beaton

Gentleman in Park (uncredited)

Paul Cristo

Restaurant Patron (uncredited)

Hubert de Lapparent

Gaston's Private Secretary (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)

Roger Saget

Pierre (uncredited)

Pat Sheehan

Blonde (uncredited)

François Valorbe

Henri - Gaston's Butler (uncredited)

Monique van Vooren

Showgirl (uncredited)