Maurice Chevalier

Maurice 'Baron' Courtelin

Jeanette MacDonald

Princess Jeanette

Charles Ruggles

Viscount Gilbert de Varèze

Charles Butterworth

Count de Savignac

Myrna Loy

Countess Valentine

C. Aubrey Smith

Duke d'Artelines

Elizabeth Patterson

First Aunt

Ethel Griffies

Second Aunt

Blanche Friderici

Third Aunt

Joseph Cawthorn

Dr. Armand de Fontinac

Robert Greig

Major Domo Flammand

Bert Roach

Emile

Cecil Cunningham

Laundress (uncredited)

Mary Doran

Madame Dupont (uncredited)

George 'Gabby' Hayes

Grocer (uncredited)