Gotta mention that I am stealing this from WG. He's too gorgeous not to include.
http://68.media.tumblr.com/7b1098baecb0d039d8a4787aab3e5393/tumblr_omt7jlUQvC1ufc6n6o1_1280.jpg
I am so jealous you got to see the production. I have generally found that British to American accents are better than the other way around. That could be my bias however coming through.