How many movies have Gino Corrado and Sidney Buchman collaborated on?

They have worked on 4 movies together! Their first movie together was His Greatest Gamble (1934) while their highest rated movie together was Mr. Smith Goes to Washington (1939). They have not worked together since A Song to Remember (1945). They are most known for their drama films together.

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Man at Pleyel's (uncredited)
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Nightclub Waiter (uncredited)
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Italian Croupier (uncredited)
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