Third Doctor See List of non-televised Third Doctor stories. Third Doctor The Third Doctor is an incarnation of the Doctor, the protagonist of the BBC science fiction television series "Doctor Who". He was portrayed by actor Jon Pertwee. Within the series' narrative, the Doctor is a centuries-old Time Lord alien from the planet Gallifrey who travels in time and space in his TARDIS, frequently with companions. At the end of life, the Doctor can regenerate his body; as a result, his physical appearance and personality change. Pertwee portrays the third such incarnation, a dapper man of action of stark contrast to his
Regeneration (Doctor Who) out that the males and females of the species collectively refer to themselves by a male title. From "Twice Upon a Time" onward, Jodie Whittaker portrays the Thirteenth Doctor, the Doctor's first female incarnation. Female Doctors were previously explored in spin-off productions; Joanna Lumley appeared as a satirical version of the Thirteenth Doctor in the 1999 Comic Relief special "The Curse of Fatal Death". Arabella Weir also played an alternate Third Doctor in the "Doctor Who Unbound" Big Finish episode "Exile". Neither portrayal is typically considered to be within the show's main continuity. Spin-off media have also depicted more drastic