Possible Clues:

• Actor McGregor
• McGregor of 'Trainspotting'
• McGregor of movies
• Obi-Wan portrayer
• McGregor of film
• McGregor of ''Trainspotting''
• McGregor of ''Star Wars'' films
• McGregor of "Trainspotting"
• McGregor of 'Moulin Rouge!'
• He played Obi-Wan