Original: In May 2004, it was announced that the series would be resurrected beginning in 2005, and that Piper was to play the character Rose Tyler, a traveling companion to The Doctor, (to be played by Christopher Eccleston).
Simplified: In May 2004, it was announced that Piper was to play the character Rose Tyler, companion to The Doctor, played by Christopher Eccleston, in the long-running BBC television series Doctor Who, beginning in 2005.