Peter Davison (born Peter Malcolm Gordon Moffett; was born 13 April 1951) is an English actor with many credits in television dramas and sitcoms.
He made his television acting debut in 1975 and became famous in 1978 as Tristan Farnon in the BBC's television adaptation of James Herriot's All Creatures Great and Small stories.
Davison's subsequent starring roles included the sitcoms Holding the Fort and Sink or Swim, the fifth incarnation of the Doctor in Doctor Who, Dr. Stephen Daker in A Very Peculiar Practice and Albert Campion in Campion. He also played David Braithwaite in At Home with the Braithwaites, "Dangerous" Davies in The Last Detective and Henry Sharpe in Law & Order: UK.
In 1980, Davison signed a contract to play the Doctor in Doctor Who for three years, succeeding Tom Baker (the Fourth Doctor) and, at age 29, was at the time the youngest actor to have played the lead role