Thomas Stewart "Tom" Baker (born 20 January 1934) is a British actor and comedian. He is best known for playing the fourth incarnation of the Doctor in the science fiction television series, Doctor Who, a role he played from 1974–1981.
Based on the book series by Wilbert Awdry and Christopher Awdry, focusing on the antics and adventures of a group of engine on the North Western Railway (Island of Sodor).
