Martin John Christopher Freeman (born 8 September 1971) is an English actor. His most famous roles include Tim Canterbury in "The Office", John in "Love Actually", Arthur Dent in the film adaptation of "The Hitchhiker's Guide to the Galaxy", Dr. Watson in "Sherlock", and Paul Maddens in "Nativity!" He played the role of Bilbo Baggins in Peter Jackson's three-part adaptation of "The Hobbit".