How many movies have George O’Brien and J. Farrell MacDonald acted in together?

They have worked on 9 movies together! Their first movie together was The Iron Horse (1924) while their highest rated movie together was Sunrise: A Song of Two Humans (1927). They have not worked together since Prairie Law (1940). They are most known for their romance films together.

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Brill Austin
Role
Sheriff Jim Austin
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Crown Prince Michae
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Peter Roberts