How many movies have Charles Lane and Edward Van Sloan acted in together?

They have worked on 6 movies together! Their first movie together was Manhattan Parade (1931) while their highest rated movie together was The Doctor Takes a Wife (1940). They have not worked together since Mission to Moscow (1943). They are most known for their romance films together.

Role
Man in Kitchenin Montage (uncredited)
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German Diplomat in Berlin (uncredited)
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Photographer (uncredited)
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Priest on Bali (uncredited)
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Attorney (uncredited)
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Bit (uncredited)