DAVID TENNANT and Billie Piper have signed up for the third series of Dr Who, it was disclosed today.
Speaking about the final episode of the second series, entitled Doomsday, Billie Piper, who plays the Doctor's sidekick Rose Tyler, told reporters she would be returning for series three.
"There are lots of places for Rose to go," she said..
Tennant, 34, who last year became the tenth Doctor, appeared more circumspect about his contract, saying: "Mine's not as simple as that."
