How many movies have Hans Dreier and Robert Warwick collaborated on?

They have worked on 10 movies together! Their first movie together was Cleopatra (1934) while their highest rated movie together was Sullivan's Travels (1941). They have not worked together since Hail the Conquering Hero (1944). They are most known for their comedy films together.

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Marine Colonel (uncredited)
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Passenger on Ship (uncredited)
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Opposition Speaker (uncredited)
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General Achillas