Third Doctor 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 wily but less action-oriented predecessors. While previous
The Master (Doctor Who) The Master (Doctor Who) The Master is a recurring character in the British science fiction television series "Doctor Who" and its associated spin-off works. The character is a renegade alien Time Lord and the archenemy of the title character the Doctor. The Master has been played by multiple actors since the character's introduction in 1971. Within the show, this is varyingly explained as the Master taking possession of other characters' bodies, or as a consequence of regeneration, a biological attribute allowing Time Lords to survive fatal injuries. The role was originated by Roger Delgado in 1971, who portrayed the Master