Maurice Chevalier under contract with Paramount, his name was so recognized that his passport was featured in the Marx Brothers film "Monkey Business" (1931). In this sequence, each brother uses Chevalier's passport, and tries to sneak off the ocean liner where they were stowaways by claiming to be the singer—with unique renditions of "You Brought a New Kind of Love to Me" with its line "If the nightingales could sing like you". In 1931, Chevalier starred in a musical called "The Smiling Lieutenant" with Claudette Colbert and Miriam Hopkins. Despite the disdain audiences held for musicals in 1931, it proved a successful
Marx Brothers and the Marx Brothers. Most of the comedians provided their own voices for their animated counterparts, except for Fields and Chico Marx (both had died), and Zeppo Marx (who had left show business in 1933). Voice actor Paul Frees filled in for all three (no voice was needed for Harpo). The Marx Brothers' segment was a reworking of a scene from their Broadway play "I'll Say She Is", a parody of Napoleon that Groucho considered among the brothers' funniest routines. The sketch featured animated representations, if not the voices, of all four brothers. Romeo Muller is credited as having written