Robert Pirosh, George Seaton, Carey Wilson, Sam Wood, Groucho Marx, Harpo Marx, Chico Marx, George S. Kaufman, Leon Gordon, Allan Jones, Al Boasberg, George Oppenheimer

A Day at the Races is a movie starring Groucho Marx, Chico Marx, and Harpo Marx. A veterinarian posing as a doctor and a race-horse owner and his friends struggle to help keep a sanitarium open with the help of a misfit race-horse.

Buster Keaton, Robert Pirosh, George Seaton, Carey Wilson, Sam Wood, James Kevin McGuinness, Groucho Marx, Harpo Marx, Chico Marx, George S. Kaufman, Morrie Ryskind, Bert Kalmar, Harry Ruby, Edmund Goulding, Al Boasberg, Kitty Carlisle, George Oppenheimer

A Night at the Opera is a movie starring Groucho Marx, Chico Marx, and Harpo Marx. A sly business manager and two wacky friends of two opera singers help them achieve success while humiliating their stuffy and snobbish enemies.

Frank Tashlin, Charles Drake, Groucho Marx, Harpo Marx, Chico Marx, Archie Mayo, Roland Kibbee, Joseph Fields

A Night in Casablanca is a movie starring Groucho Marx, Harpo Marx, and Chico Marx. The Marx Brothers are employed at a hotel in postwar Casablanca, where a ring of Nazis is trying to recover a cache of stolen treasure.

Groucho Marx, Harpo Marx, Chico Marx, The Marx Brothers, Victor Heerman, George S. Kaufman, Morrie Ryskind, Bert Kalmar, Harry Ruby

Animal Crackers is a movie starring Groucho Marx, Harpo Marx, and Chico Marx. Mayhem and zaniness ensue when a valuable painting goes missing during a party in honor of famed African explorer Captain Spaulding.

Buster Keaton, Irving Brecher, Groucho Marx, Harpo Marx, Chico Marx, Edward Buzzell, Laurence Stallings, Kenny Baker

At the Circus is a movie starring Groucho Marx, Chico Marx, and Harpo Marx. The Marx Brothers try to help the owner of a circus recover some stolen funds before he finds himself out of a job.