How many movies have Bob Terry and Dave O'Brien acted in together?

They have worked on 13 movies together! Their first movie together was Brothers of the West (1937) and was their highest rated movie together. They have not worked together since Sky Bandits (1940). They are most known for their western films together.

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Henchman Hutchins
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Constable Kelly
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Henchman DeLong
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Constable Kelly