How many movies have Alec Guinness and Anthony Daniels acted in together?

They have worked on 6 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 Star Wars: The Rise of Skywalker (2019). They are most known for their science fiction films together.

Role
Obi-Wan Kenobi (archive sound) (uncredited)
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C-3PO
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Ben (Obi-Wan) Kenobi (archive footage) (uncredited)
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C-3PO