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, Bert Kalmar, Harry Ruby, S.J. Perelman, Norman Z. McLeod, Will B. Johnstone, Arthur Sheekman

Horse Feathers is a movie starring Groucho Marx, Chico Marx, and Harpo Marx. Quincy Adams Wagstaff, the new president of Huxley University, accidentally hires bumblers Baravelli and Pinky to help his school win the big football game...

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.