How many movies have Frank Mayo and Robert Rossen collaborated on?

They have worked on 5 movies together! Their first movie together was The Roaring Twenties (1939) and was their highest rated movie together. They have not worked together since The Undercover Man (1949). They are most known for their drama films together.

Role
Gambler Watching Kay Throw Dice (uncredited)
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Writer
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Policeman (uncredited)
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Screenplay
Role
Policeman (uncredited)
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Screenplay