Martin Freeman is known for portraying a famous character in Sherlock.
Martin John Christopher Freeman ( born 8 September 1971 ) is an English actor , who became known for portraying Tim Canterbury in the original UK version of sitcom mockumentary The Office , Dr. John Watson in the British crime drama Sherlock , Bilbo Baggins in Peter Jackson 's The Hobbit film trilogy , and Lester Nygaard in the dark comedy-crime drama TV series Fargo . Sherlock (TV series) . Created by Steven Moffat and Mark Gatiss , it stars Benedict Cumberbatch as Sherlock Holmes and Martin Freeman as Doctor John Watson .