"Catherynne Valente insisted, in the face of argument and actual reality, that any younger women playing the Doctor would be a 'Hollywood starlet.'"

You laugh but Steven Moffat has been faithfully putting aside a fiver every week in a special jar on his kitchen counter since he was appointed showrunner, and he can just about afford Scarlett Johansson. Tumblr said so, so it must be true.