Doctor Who Doctor's nature, somewhere between the twelfth and final incarnation. On rare occasions, other actors have stood in for the lead. In "The Five Doctors", Richard Hurndall played the First Doctor due to William Hartnell's death in 1975; 34 years later David Bradley similarly replaced Hartnell in "Twice Upon a Time". In "Time and the Rani", Sylvester McCoy briefly played the Sixth Doctor during the regeneration sequence, carrying on as the Seventh. For more information, see the list of actors who have played the Doctor. In other media, the Doctor has been played by various other actors, including Peter Cushing in
David Bradley (American actor) David Bradley (American actor) David Bradley (born Bradley Simpson in Texas, October 2, 1953) is an American actor and martial artist, known for starring in numerous low-budget action movies beginning in the late 1980s. His best-known films are the "American Ninja" sequels. Bradley is known for his role as Sean Davidson in and . He also stars in a separate film titled, American Ninja V, as Joe Kastle, which is not technically a sequel to the previous American Ninja films, but a different movie altogether. Previous to making films, Bradley worked as care salesman on Wilshire Boulevard. He attended the