Doctor Who (series 1) Eccleston as the ninth incarnation of the Doctor, his only series in the role, accompanied by Billie Piper, as his first and main companion Rose Tyler, whom he plucks from obscurity on planet Earth, and to whom he grows increasingly attached. He also travels briefly with unruly boy-genius Adam Mitchell, played by Bruno Langley, and with 51st-century con man and former "Time Agent" Captain Jack Harkness, portrayed by John Barrowman. Episodes in the series form a loose story arc, based upon the recurring phrase "Bad Wolf", the significance of which goes unexplained until the two-part series finale. Alongside the "Bad
Doctor Who (series 1) considered for the role. Piper was announced as portraying Rose Tyler on 24 May, a character which fulfilled the role of permanent companion during the series, and was welcomed by fans of the show. Actress Georgia Moffett, daughter of Fifth Doctor actor Peter Davison and who would later appear as the title role in the fourth series episode "The Doctor's Daughter", also auditioned for the role. The original conception of Tyler was slightly different. Paul Abbott was scheduled to write an episode for the series which would have revealed that Rose's entire life had been manipulated by the Doctor in