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
Doctor Who of the series and a film should be made by the BBC team and star the current TV Doctor. "Doctor Who" has appeared on stage numerous times. In the early 1970s, Trevor Martin played the role in "Doctor Who and the Daleks in the Seven Keys to Doomsday". In the late 1980s, Jon Pertwee and Colin Baker both played the Doctor at different times during the run of a play titled "Doctor Who – The Ultimate Adventure". For two performances, while Pertwee was ill, David Banks (better known for playing Cybermen) played the Doctor. Other original plays have been staged