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Fan question: "What are your thoughts on Benedict Cumberbatch as the Master?"
Steven Moffat: “Don’t you think my life is confusing enough? And listen, if John Simm could hear you, you would not live another hour. He came up to me after the, uh - I shouldn't tell you this, but I'm going to - after the press launch for the End of Time. And he’d been saying ‘I think now that David has left as The Doctor, I would have to leave as The Master.’ (But then) he pulls me aside and says, ‘I didn’t mean that! I'm so sorry, And look at me, I’m fit! I’m OK!’ So Benedict has to wait in line, probably. But how confusing would it be? All four cheekbones in one screen! I tell you, I've stood between those two [Matt Smith and Benedict Cumberbatch] in a photograph once: it’s a really, really good way to look extra ugly.”
Simm, you mendacious little Manc.
(Return as the Master for some more hawt leather bondage, however, and we might be prepared to forgive you.)
EDIT:
cross-posted here Q
* I was too mature to go for the obvious "Master-baiter" there. Almost.