 | Herbert Marshall als Gaston Monescu |
 | Kay Francis als Mariette Colet |
 | Miriam Hopkins als Lily |
 | Edward Everett Horton als François Filiba |
 | Charles Ruggles als Major |
 | C. Aubrey Smith als Adolph J. Giron |
 | Robert Greig als Mariette's Butler Jacques |
 | Luis Alberni als Annoyed Opera Fan (uncredited) |
 | Hooper Atchley als Insurance Agent (uncredited) |
 | Tyler Brooke als Commercial Singer (uncredited) |
 | Marion Byron als Maid (uncredited) |
 | Louise Carter als Woman with Wrong Handbag (uncredited) |
 | Gino Corrado als Venetian (uncredited) |
 | George Humbert als Waiter in Venice (uncredited) |
 | Perry Ivins als Radio Commentator (uncredited) |
 | Leonid Kinskey als The Communist (uncredited) |
 | Gus Leonard als Elderly Servant (uncredited) |
 | Carl M. Leviness als Party Guest (uncredited) |
 | Fred Malatesta als Hotel Manager (uncredited) |
| Eva McKenzie als Duchess Chambreau (uncredited) |
 | Hector V. Sarno als Prefect of Police (uncredited) |
 | Rolfe Sedan als Purse Salesman (uncredited) |
 | Larry Steers als Party Guest (uncredited) |
 | Frederick Sullivan als Operagoer on Mezzanine (uncredited) |
 | Nella Walker als Mme. Bouchet (uncredited) |
 | Stanhope Wheatcroft als Party Guest (uncredited) |
 | Florence Wix als Party Guest (uncredited) |
| Donald Novis als Vocalist - Title Song (uncredited) |
| Ernst Lubitsch | Producer |
| Ernst Lubitsch | Director |
| Travis Banton | Costume Design |
| Victor Milner | Director of Photography |
| Grover Jones | Adaptation |
| Samson Raphaelson | Screenplay |
| W. Franke Harling | Original Music Composer |
| Leo Robin | Lyricist |
| Aladar Laszlo | Theatre Play |
| Eugene Richee | Still Photographer |
| Hans Dreier | Art Direction |
| M.M. Paggi | Sound |
| Earl Crowley | Still Photographer |
| William Miller | Camera Operator |
| Guy Roe | Assistant Camera |
