A Night at the Opera (film) DVD commentary. But this could not have occurred, because Sam Marx had died in 1933, during pre-production of "Duck Soup", two years before "A Night at the Opera" was released. The rumor arose because Frenchy had had such a cameo appearance in the Marx Brothers' earlier "Monkey Business". There is, however, a reference to the Marx Brothers' mother, Minnie Marx, during the stateroom scene, in which a woman asks, "Is my Aunt Minnie in here?" Part of the concept of casting the Marx Brothers as stowaways on a ship was recycled from "Monkey Business". As Groucho's and Margaret Dumont's characters
Ocean liner of the Titan", which features a British ocean liner "Titan" that hits an iceberg and sinks in the North Atlantic with great loss of lives. The similarities between the plot of the novel and the sinking of the 14 years later led to the assertion of conspiracy theories regarding "Titanic". Ocean liners were often a setting of a love story in films, such as the 1939's "Love Affair" Liners were also used as a setting of disaster films. The 1960 film "The Last Voyage" was filmed on board the "Íle de France", which was used as a floating prop and