DAVID TENNANT could continue to play Doctor Who until he is a pensioner, according to the show's writer.

DAVID Tennant could be working the controls of the Tardis until he is a pensioner, according to the show's writer. The actor had refused to talk about whether he would continue as Doctor Who in its fifth series.

NEARLY 10million people tuned in to find out whether David Tennant would survive the series finale of Doctor Who. At its peak, 9.8million people - 47 per cent of Saturday's total TV audience - tuned in to see the Time Lord defeat the Daleks, according to BBC figures.