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.

Groucho Marx, Harpo Marx, Chico Marx, The Marx Brothers, S.J. Perelman, Norman Z. McLeod, Will B. Johnstone, Arthur Sheekman, Al Shean, J. Carver Pusey

Monkey Business is a movie starring Groucho Marx, Harpo Marx, and The Marx Brothers. On a transatlantic crossing, The Marx Brothers get up to their usual antics and manage to annoy just about everyone on board the ship.

Buster Keaton, Irving Brecher, John Carroll, Groucho Marx, Harpo Marx, Chico Marx, Edward Buzzell

Go West is a movie starring Groucho Marx, Chico Marx, and Harpo Marx. The Marx Brothers come to the rescue in the Wild West when a young man, trying to settle an old family feud so he can marry the girl he loves, runs afoul of...

Leo McCarey, Groucho Marx, Harpo Marx, Chico Marx, Bert Kalmar, Harry Ruby, Nat Perrin, Arthur Sheekman, Zeppo Marx

Duck Soup is a movie starring Groucho Marx, Harpo Marx, and Chico Marx. Rufus T. Firefly is named president/dictator of bankrupt Freedonia and declares war on neighboring Sylvania over the love of wealthy Mrs. Teasdale.

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.