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 and the Pescatons Doctor Who and the Pescatons Doctor Who and the Pescatons (commonly shortened to The Pescatons) is an audio play in two episodes based on the long-running British science fiction television series "Doctor Who". It is written by Victor Pemberton, and stars Tom Baker as the Fourth Doctor, Elisabeth Sladen as Sarah Jane Smith and Bill Mitchell as Zor. The Doctor and Sarah Jane arrive on a beach by the Thames Estuary at night, and discover a metallic seaweed there. The Doctor consults with Professor Emerson, who says that three expeditions to recover a recent meteorite from the bottom of the