Sam Marx travel to New Jersey, and sell them door-to-door. In his last interview, Zeppo joked that his father "was a very bad tailor but he found some people who were so stupid that they would buy his clothes, and so he'd make a few dollars that way for food". Marx made a cameo appearance in his four sons' film "Monkey Business" (1931), sitting on top of luggage behind the brothers on the pier as they wave to the First Officer, having slipped off the ship without being arrested as stowaways. (In some interviews, the brothers mistakenly attributed this scene to "A
Monkey Business (1931 film) in the Paramount promotional film "The House That Shadows Built" (1931). The concept of the Marx Brothers being stowaways on a ship would be repeated in an episode of their radio series "Flywheel, Shyster, and Flywheel" (1933) in the episode "The False Roderick" and would also be recycled in their MGM film "A Night at the Opera" (1935). The essence of Groucho's joke, "Sure, I'm a doctor—where's the horse?" would serve as an integral plot element for their film "A Day at the Races" (1937). Also repeated in that later film would be the uproarious medical examination that Harpo and