Eugene Levy is a Canadian actor, comedian, producer, director, and writer. He is the only actor to have appeared in all eight of the American Pie films. He often plays nerdy, unconventional figures, with his humor often deriving from his excessive explanations of matters and the way in which he deals with sticky situations. He is a regular collaborator of actor-director Christopher Guest, appearing in and co-writing four of his films, commencing with Waiting for Guffman.