He is best known for his starring roles in Funny People , Shopgirl , Spun , Rushmore , I Heart Huckabees , Marie Antoinette , and The Darjeeling Limited , a film he also helped write . He is perhaps best known for his roles in the Hollywood films Rushmore , Spun , I â Huckabees , Shopgirl , Marie Antoinette , The Darjeeling Limited , and Scott Pilgrim vs. the World .