Question: He started in a epic space opera film in 2005, and is a canadian actor produce. What character did he play primarily?
Sentence (from "Star Wars: Episode III – Revenge of the Sith"): It is the sixth entry of the "Star Wars" film series and stars Ewan McGregor, Natalie Portman, Hayden Christensen, Ian McDiarmid, Samuel L. Jackson, Christopher Lee, Anthony Daniels, Kenny Baker, and Frank Oz.
Relevant evidence: No