A highly respectable lawyer becomes a sexual animal after working hours; His live-in mother-in-law tries to keep him in line. When an actor-impersonator comes to see him, the two switch lives.
| Actor | Role |
|---|---|
 Edward Everett HortonRichard 'Dickie' Smith / Felix, the Great Zero | Richard 'Dickie' Smith / Felix, the Great Zero |
 Esther RalstonMadeline Smith | Madeline Smith |
 Laura La PlanteDiane O'Dare | Diane O'Dare |
 Patsy Ruth MillerKitty 'Minty' Minter | Kitty 'Minty' Minter |
 Spencer ChartersAndrews, the Butler | Andrews, the Butler |
 Maude EburneMrs. Mantel | Mrs. Mantel |
 Maurice BlackTaxi Driver | Taxi Driver |
| GGeorgette RhodesMusette, the Maid | Musette, the Maid |