Graham O'Brien is a fictional character created by Chris Chibnall and portrayed by Bradley Walsh in the long-running British sci-fi television series Doctor Who. A retired bus driver from Essex who is in remission from cancer, the character is portrayed as an everyman. In the show's eleventh series, starting with the first episode, he served as a companion of the thirteenth incarnation of the alien time traveller known as the Doctor (portrayed by Jodie Whittaker) until the 2021 New Year's Special "Revolution of the Daleks".
Graham O Brien has been suggested to play 10 roles. Click below to see other actors suggested for each role, and vote for who you think would play the role best.
