The Doctor (Doctor Who) footage. Tom Baker did reappear, but as "the Curator", an ambiguously different character who he was not credited for playing. A voice actor, John Guilor, recorded a line of audio impersonating the First Doctor, for which he was credited as "Voice Over Artist". In other multi-Doctor stories, the multiple actors are all credited as "The Doctor", the exception being "The Three Doctors" (1972–73), which credited William Hartnell, Patrick Troughton and Jon Pertwee as "Doctor Who" as the 1972 serial preceded the practice of crediting the character as "The Doctor". In "Human Nature" (2007), the plot involves the Tenth Doctor altering
Doctor Who Unbound Doctor Who Unbound Doctor Who Unbound is a series of audio plays produced by Big Finish Productions. Free from the constraints of continuity, the "Doctor Who Unbound" audios present a series of "What if...?" scenarios, and cast new actors in the role of the Doctor. David Warner reprised his version of the Doctor in 2016, in volume 3 of "The New Adventures of Bernice Summerfield" subtitled "The Unbound Universe", and in volume 4, "Ruler of the Universe", in 2017. In "Exile", Arabella Weir plays a female incarnation of the Doctor. American alternative weekly "Houston Press"s Jef Rouner described her portrayal