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
The Master (Doctor Who) celebratory fiftieth Virgin New Adventures novel, once again trying to restore his ability to regenerate, suggesting that the Tzun nanites failed to sustain him long-term. After the broadcast of the television movie, some fans suggested that this is the incarnation briefly played by Gordon Tipple in the prologue, eventually succumbing once again to the cheetah virus in the first Eighth Doctor novel "The Eight Doctors". Prior to the end of the Virgin Missing Adventures series, the Delgado version of The Master appeared in the novel "Who Killed Kennedy", depicting him setting up a complex plan to manipulate a journalist to