Cast & crew
Monkey Business (1931)
Directed by Norman Z. McLeod Written by Will B. Johnstone, S.J. Perelman
Cast
| Thelma Todd | Lucille |
| Rockliffe Fellowes | Joe |
| Zeppo Marx | Zeppo |
| Harpo Marx | Harpo |
| Groucho Marx | Groucho |
| Chico Marx | Chico |
| Bess Flowers | Party Speaker |
| Cyril Ring | Male Guest |
| Tom Kennedy | Gibson |
| Ruth Hall | Offland Helton |
| William H. O'Brien | Waiter |
| Harry Woods | Sheila Briggs |
| Maurice Chevalier | Himself |
| Ben Taggart | Corcoran |
| Billy Bletcher | Chair Warmer |
Crew
| Will B. Johnstone | Screenplay |
| Arthur L. Todd | Director of Photography |
| Arthur Sheekman | Additional Dialogue |
| S.J. Perelman | Screenplay |
| Herman J. Mankiewicz | Producer |
| Norman Z. McLeod | Director |