Thomas Stewart "
Tom"
Baker (born 20 January 1934) is an English actor. He is best known as the
fourth incarnation of
the Doctor in the
science fiction series
Doctor Who from 1974 to 1981, a longer tenure than any other actor, and for the narration of the comedy series
Little Britain. Baker's voice, which has been described as "sonorous", was once voted the fourth most recognisable in the UK.