the director of television wants the long-running sci-fi series , which stars peter capaldi and is screened in 50 countries , to be turned into a movie to capitalise on its worldwide success .
but the emails show doctor who 's creative team are reluctant to rush into making a film that could flop and tarnish its reputation , despite pressure from sony and bbc worldwide .
the messages between andrea wong , president of international production for sony , and its chief executive michael lynton were among 173,000 hacked by north korea after the firm made the interview , a comedy about the state .