Oh Lord, not Paterson Joseph again....
But who am I to say anything as I'm drawing blanks. Unfortunately I'm not so familiar with English actors I'd have to suggest inappropriately American choices. (BTW I'd probably rather have Jeremy Clarkson even if he doesn't fit the modern mold very well
Dammit, now I'm picturing James May as the Doctor...)
I found this kind of interesting though, Warren Ellis had a contest to design the 13th Doctor. Some crazy entries.