Please let it be someone who companions won't fall in love with!
Tell that to the writers. Stephen Fry would be bloody perfect.
So I've had a think for 10 min. here's 2 actors I'd like as Dr Who.
Paul Bettany cause he has an otherworldliness about him.
Simon Pegg cause he'd get what it is he's supposed to be.
Plus, they're good actors.