The Marx Brothers take on high society and the opera world to bring two lovers together. A sly business manager and two wacky friends of two opera singers help them achieve success while humiliating their stuffy and snobbish enemies.
| Directing | Sam Wood | Director |
| Writing | Morrie Ryskind | Screenplay |
| Production | Irving Thalberg | Executive Producer |
| Sound | Herbert Stothart | Music |
| Camera | Merritt B. Gerstad | Director of Photography |
| Editing | William LeVanway | Editor |
| Art | Cedric Gibbons | Art Direction |
| Costume & Make-Up | Robert J. Schiffer | Makeup Artist |
| Directing | Lesley Selander | Assistant Director |
| Costume & Make-Up | Dolly Tree | Costume Design |
| Writing | George S. Kaufman | Screenplay |
| Writing | James Kevin McGuinness | Story |
| Sound | Douglas Shearer | Sound Director |
| Camera | A. Lindsley Lane | Camera Operator |
| Directing | Edmund Goulding | Director |
