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
Rose (Doctor Who episode) in London, production notes in "Doctor Who: The Complete History" placed London filming from 26 to 30 July. On 26 July, the production team was given permission to add more lights to the London Eye. For the scene in which the Doctor and Rose are running through London, also on the night of 26 July, careful timing was undertaken by the production team because they wanted a London bus to travel behind them, but this had to be accomplished by waiting for a bus to come. The exterior of Rose's council estate was filmed at the Brandon Estate in London