Multiple actors have portrayed the Doctor.
Demon Quest . It is written by Paul Magrs , and stars Tom Baker as the Fourth Doctor and Richard Franklin as Captain Mike Yates . The Doctor (Doctor Who) . A number of other actors have played the character in stage and audio plays , as well as in various film and television productions . The Twelfth Doctor is an incarnation of the Doctor , the protagonist of the BBC science fiction television programme Doctor Who . He is portrayed by Scottish actor Peter Capaldi .