Doomsday (Doctor Who) conclusion of "Army of Ghosts". The concept of the Daleks and the Cybermen both appearing on-screen was first proposed in 1967, but was vetoed by Terry Nation, the creator of the Daleks. The episode is the first conflict between the two species in "Doctor Who"s -year history, and features Billie Piper's last appearance in the lead companion role as Rose Tyler; the final regular appearance of Noel Clarke as Rose's ex-boyfriend and previous companion Mickey Smith; and the final regular appearances of Camille Coduri and Shaun Dingwall as Rose's parents, Jackie and Pete Tyler. The episode and its predecessor were
Rose (Doctor Who episode) and Noel Clarke were also cast to play Rose's mother and boyfriend respectively; Davies wanted to include these characters to "make her real" and to "give her a life". Rose's family is also working-class, which had rarely been seen in companions on the show prior to "Rose". The episode name had gradually been shortened; in Davies's pitch it had been called "Rose meets the Doctor, and the journey begins", on his contract "Rose Meets The Doctor", and finally shortened to "Rose". Also changed from Davies's original pitch were the names of the supporting characters: Judy Tyler became Jackie Tyler, and