The Next Doctor quite like "The Next Doctor"." The book also contained two pictures from a scene cut from the end of the previous episode, intended to segue into the special echoing the previous two series. This scene was included on the series boxset. Following the success of last year's Christmas special, "Voyage of the Damned", which guest starred pop star Kylie Minogue as one-off companion Astrid Peth, Russell T Davies had initially felt tempted to copy this format with another high-profile guest star, but decided against it after jokingly offering up "Cheryl Cole on board the "Hindenburg"" as an example. Regarding an
Doctor Who (series 4) Astrid Peth, who died during the events of the episode. The companions in the regular series had all been in the lead companion role previously: the primary role of Donna Noble, who was introduced in "The Runaway Bride", was played by Catherine Tate for all thirteen episodes. Her return was announced by the BBC on 3 July 2007. Freema Agyeman, who portrayed the Doctor's companion Martha Jones in series three, returned for "The Sontaran Stratagem", "The Poison Sky", "The Doctor's Daughter", "The Stolen Earth" and "Journey's End". Billie Piper, who played Rose Tyler from the first episode of the new