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
Dreamland (Doctor Who) and is married to David Tennant who played the tenth Doctor. She portrayed Tanya Webster in the audio drama "Red Dawn" with Davison reprising his role as the Fifth Doctor, and she narrated the Tenth Doctor audio-book "Snowglobe 7". Lisa Bowerman (Saruba Velak) played the Cheetah Person Karra in the 1989 "Doctor Who" serial "Survival" (the last serial of the classic series to be broadcast). Since 1998, she has also played Bernice Summerfield in the ongoing Big Finish audio drama series and in occasional "Doctor Who" audio stories. Veteran actor David Warner has also appeared in numerous Big Finish audio