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
Doctor Who: The First Adventure Doctor Who: The First Adventure Doctor Who: The First Adventure is a computer game based on the long-running British science fiction television series "Doctor Who" released for the BBC Micro in 1983. It was written by Jeremy Ruston. It featured the Fifth Doctor, despite only seeing one pixel as "The Doctor", as the player ventured through four mini-games which went by levels of completion which were Doctor Who themed versions of Pac-Man, Frogger, Space Invaders and Battleship. The first level called "Labyrinth of Death" was based on Pac-Man. Level 2, "The Prison" was a Frogger type game. The third level,