Ryan Stiles

Ryan Lee Stiles (born April 22, 1959) is an American-Canadian actor, comedian, director, and voice actor whose work is often associated with improvisational comedy. He is best known for his improv and co-production work on the American and British versions of Whose Line Is It Anyway? and the role of Lewis Kiniski on The Drew Carey Show. He currently plays Herb Melnick on the CBS comedy Two and a Half Men.