Monkey Business (1931 film) the film, and that Eddie Cantor contributed when he visited the set during shooting Typical for many Marx Brothers films, production censors demanded changes in some lines with sexual innuendo. "Monkey Business" was banned in some countries because censors feared it would encourage anarchic tendencies. This is the first Marx Brothers film not to feature Margaret Dumont: this time their female foil is comedian Thelma Todd, who would also star in the Marx Brothers' next film, "Horse Feathers". A few years later, in December 1935, Todd died in unexplained circumstances. A line of dialogue in "Monkey Business" seems to foreshadow
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