Michael McShane is an American actor, singer, and improvisational comedian. He is known for playing Friar Tuck in Robin Hood: Prince of Thieves, Dr. Swanson in Office Space, and for voice over work in cartoons and video games such as Final Fantasy X, A Bug's Life, Spawn, Castle in the Sky, Treasure Planet and Happily N'Ever After. He appeared on the original British television show Whose Line Is It Anyway?.