How many movies have George Lucas and Peter Diamond collaborated on?

They have worked on 5 movies together! Their first movie together was Star Wars (1977) while their highest rated movie together was The Empire Strikes Back (1980). They have not worked together since Indiana Jones and the Last Crusade (1989). They are most known for their action films together.

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German Soldier (uncredited)
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Biker Scout Pushed Off Bike (uncredited)
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German Soldier (uncredited)
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Snowtrooper Gunner (uncredited)
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Stormtrooper / Tusken Raider / Death Star Trooper / Garouf Lafoe (uncredited)
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