| Release Date | 08 November 1935 |
| Tagline | Don't miss it! The funniest picture ever made! |
| Genre | Comedy, Romance, Musical |
| Country | USA |
| Filming Locations | Los Angeles, California, USA |
| Language | English, Italian |
| Sound Mix | Mono |
| Color | Black and White |
| Film Type | Feature |
| Film Class | Absurd Comedy, Farce, Showbiz Comedy, Screwball Comedy |
| Mood | Just for Laughs |
| Themes | Ladder to the Top, Ship Cruises, Success is the Best Revenge, Righting the Wronged, Cons and Scams |
| Tones | Witty, Madcap, Quirky, Goofy, Irreverent, Bright, Frantic |
| Tags | Backstage, Bed, Boat, Con/scam, Contract, Disguise, Financier, Friendship, Love, Millionaire, Opera, Orchestra, Promoter, Romance, Sabotage, Shipboard, Stowaway |
A Night at the Opera is a 1935 American comedy film starring Groucho Marx, Chico Marx and Harpo Marx, and featuring Kitty Carlisle, Allan Jones, Margaret Dumont, Siegfried Rumann, and Walter Woolf King. It was the first film the Marx Brothers made for Metro-Goldwyn-Mayer after their departure from Paramount Pictures, and the first after Zeppo left the act. The film was adapted by George S. Kaufman, Morrie Ryskind, Al Boasberg (uncredited), and Buster Keaton (uncredited) from a story by James Kevin McGuinness. It was directed by Sam Wood.