Maurice Chevalier
Dr. Andre Bertier
Jeanette MacDonald
Colette Bertier
Genevieve Tobin
Mitzi Olivier
Roland Young
Professor Olivier
Josephine Dunn
Mademoiselle Martel
Richard Carle
Henri Dornier - Private Detective
Barbara Leonard
Mitzi's Maid
George Barbier
Police Commissioner
Lita Chevret
Party Guest (uncredited)
Sheila Bromley
Colette's Downstairs Maid (uncredited)
Charles Judels
Policeman (uncredited)
Mae Questel
Office Worker (uncredited)