The First Doctor - Doctor Who

The First Doctor is the original incarnation of the Doctor, the protagonist of the British science fiction television series Doctor Who. He was portrayed by actor William Hartnell in the first three series from 1963 to 1966 and the tenth anniversary story The Three Doctors from 1972 to 1973. The character occasionally appeared in the series after Hartnell's death, played by Richard Hurndall in the 1983 special "The Five Doctors" and by David Bradley in 2017 and 2022. To date, the First Doctor is the sole incarnation of the Doctor to have been recast for later televised appearances.