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
Space and Time (Doctor Who) the camera, such as when the Doctor, Amy, and Rory watched the future Amy and Rory enter the TARDIS. "Space" and "Time" were broadcast during the Comic Relief Red Nose Day telethon on 18 March 2011 on BBC One. The telethon was watched by 10.26 million viewers. The BBC posted the episode in two parts on their official YouTube channel. The mini episodes were included as bonus features in the "Complete Sixth Series" DVD and Blu-ray box set, released on 21 November 2011 (Region 2) and 22 November 2011 (Region 1). Lucy Mangan of "The Guardian" responded positively, noting it