The unsung star of the Star Wars galaxy who's appeared in every mainstream film of the beloved franchise.
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Ian McDiarmid, the actor behind Emperor Palpatine/Darth Sidious, is the only performer to appear in all 9 main Star Wars movies.
Despite his iconic villainous role, McDiarmid has rarely been the main focus, making his ubiquitous presence in the franchise all the more impressive for diehard fans.