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)
Bess Flowers
Party Guest (uncredited)
Jack Byron
Party Guest (uncredited)
Jack Chefe
Party Guest (uncredited)
Charles Coleman
Marcel (uncredited)
George Davis
Taxi Driver (uncredited)
Bill Elliott
Party Guest (uncredited)
Jack Ford
Party Guest (uncredited)
Florine McKinney
Departing Party Guest (uncredited)
Donald Novis
Band Singer at Party (uncredited)
Léonie Pray
Colette's Upstairs Maid (uncredited)
Pat Somerset
Party Guest (uncredited)
Kent Taylor
Party Guest Greeted by Colette (uncredited)
Eric Wilton
Andre's Butler (uncredited)