Ms. Maclaine will be playing the proud American mom to ex-pat Lady Cora (Elizabeth McGovern) on season 3. (This visit will not go over well with Dame Maggie Smith’s Lady Grantham, we’re sure.)
This news was accompanied by rumors that other stateside cameos might be in the works, so we made several educated guesses as to which American actors could hold their own against the upstairs/downstairs scheming of the McGovern household.
Click through to see our choices, and right in your own candidates in the comments!
(With help Andrew Belonsky.)