Do you think that Tony Head feels flattered he's a big enough name (in context) that they're going forward with an unapologetically awful American accent on Dominion, while Chris Eccleston is earning his dialogue dollars in Leftovers (and some pathos pennies, to boot)?
I mean, people know he sounds bad. Do they not tell him? Is this the better version? Is he delusional. Does his coach cry herself to sleep?
I've heard ASH's Giles (or to he honest, the coffee guy) in every role he's played since then, and can barely tell when Eccleston is speaking.
Then again, you work with what you can afford.