Movies of Harpo Marx and William H. O'Brien together

Harpo Marx and William H. O'Brien have starred in 3 movies together. Their first film was Monkey Business in 1931. The most recent movie that Harpo Marx and William H. O'Brien starred together was Room Service in 1938.

1931

Monkey Business

Monkey Business

Harpo Marx

Starred as Harpo

William H. O'Brien

Starred as Waiter

1935

A Night at the Opera

A Night at the Opera

Harpo Marx

Starred as Tomasso

William H. O'Brien

Starred as Stagehand

1938

Room Service

Room Service

Harpo Marx

Starred as Faker

William H. O'Brien

Starred as Hotel Bartender

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