Cast & crew
A Night at the Opera (1935)
Directed by Sam Wood Written by Morrie Ryskind, George S. Kaufman, James Kevin McGuinness
Cast
| Jay Eaton | Aviator (uncredited) |
| Harry 'Zoup' Welsh | Ship's Steward (uncredited) |
| Gloria Delson | Child (uncredited) |
| Rolfe Sedan | Aviator (uncredited) |
| Purnell Pratt | Mayor (uncredited) |
| Jean Burt Reilly | The Manicurist (uncredited) |
| Evelyn Selbie | Fortune Teller (uncredited) |
| Groucho Marx | Otis B. Driftwood |
| Chico Marx | Fiorello |
| Kitty Carlisle | Rosa |
| Harpo Marx | Tomasso |
| Allan Jones | Ricardo Barroni |
| Sig Ruman | Gottlieb |
| Evelyn Selbie | The Fortune Teller in 'Trovatore' (uncredited) |
| Edward Keane | Captain |
| Robert Emmett O'Connor | Henderson |
| Margaret Dumont | Mrs. Claypool |
| Purnell Pratt | The Mayor of New York (uncredited) |
| Jonathan Hale | The Stage Manager (uncredited) |
| Walter Woolf King | Lassparri |
| Otto Fries | Otto the Elevator Operator (uncredited) |
| Bess Flowers | Ship Passenger (uncredited) |
| Frank McLure | Manager's Assistant (uncredited) |
| Gino Corrado | First Porter (uncredited) |
| Chuck Hamilton | Policeman (uncredited) |
| Ruth Cherrington | Opera Spectator (uncredited) |
| Al Bridge | Immigration Inspector (uncredited) |
| Selmer Jackson | Committeeman (uncredited) |
| George Irving | Committeeman (uncredited) |
| Jack 'Tiny' Lipson | Engineer's Assistant (uncredited) |
| Billy Gilbert | Orchestra Member Asking Fiorello Not to Play Piano (uncredited) |
| William H. O'Brien | Stagehand (uncredited) |
| Stanley Blystone | Ship's Officer (uncredited) |
| Wedgwood Nowell | Ship Passenger (uncredited) |
| King Baggot | Dignitary (uncredited) |
| John St. Polis | Opera Conductor (uncredited) |
| Bud Geary | Stagehand (uncredited) |
| Stephen Soldi | Ship's Steward (uncredited) |
| Sam Appel | Dungeon Guard (uncredited) |
Crew
| Irving Thalberg | Executive Producer |
| Sam Wood | Director |
| Morrie Ryskind | Screenplay |
| Dolly Tree | Costume Design |
| Robert J. Schiffer | Makeup Artist |
| Cedric Gibbons | Art Direction |
| William LeVanway | Editor |
| Herbert Stothart | Music |
| Merritt B. Gerstad | Director of Photography |
| Lesley Selander | Assistant Director |
| Douglas Shearer | Sound Director |
| George S. Kaufman | Screenplay |
| James Kevin McGuinness | Story |
| A. Lindsley Lane | Camera Operator |