LONDON, March 1 (UPI) -- British actress Siobhan Finneran says she won't return for Season 4 of "Downton Abbey" on which she plays Lady Grantham's mischievous maid Sarah O'Brien.
"I'm not doing any more," Finneran told the British edition of The Huffington Post. "O'Brien is a thoroughly despicable human being -- that was great to play."
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