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
Commotion on the Ocean microfilm of State Department documents, which Chambers had concealed in a hollowed-out pumpkin on his Maryland farm. As Shemp Howard had already died, for his last four films ("Rumpus in the Harem", "Hot Stuff", "Scheming Schemers" and "Commotion on the Ocean"), Columbia utilized supporting actor Joe Palma to be Shemp's double. Even though the last four shorts were remakes of earlier Shemp efforts, Palma's services were needed to link what few new scenes were filmed to the older stock footage.It is also the final film to feature Shemp as a stooge. He would be replaced with Joe Besser in the