Marx Brothers stage during the middle of a Groucho monologue to see if Groucho would be thrown off. However, to the audience's delight, Groucho merely reacted by commenting, "First time I ever saw a taxi hail a passenger". When Harpo chased the girl back in the other direction, Groucho calmly checked his watch and ad-libbed, "The 9:20's right on time. You can set your watch by the Lehigh Valley." The brothers' vaudeville act had made them stars on Broadway under Chico's management and with Groucho's creative direction—first with the musical revue "I'll Say She Is" (1924–1925) and then with two musical comedies:
Zeppo Marx Zeppo Marx Herbert Manfred "Zeppo" Marx (February 25, 1901 – November 30, 1979) was an American actor, comedian, theatrical agent, and engineer. He was the youngest of the five Marx Brothers. He appeared in the first five Marx Brothers feature films, from 1929 to 1933, but then left the act to start his second career as an engineer and theatrical agent. Zeppo was born in Manhattan, New York City on February 25, 1901. His parents were Sam Marx (called "Frenchie" throughout his life), and his wife, Minnie Schönberg Marx. Minnie's brother was Al Shean. Marx's family was Jewish. His mother