Any time you put a cast like this in compromising circumstances or shake it up a little bit, I think we're all pretty close so we draw on real emotion.
English people don't have very good diction. In France you have to pronounce very particularly and clearly, and learning French at an early age helped me enormously.
I do dumb stuff, like playing my favorite dumb Barry White song and lip-synching into the mirror so it looks like his voice is coming out of my mouth.