'Sherlock': Amanda Abbington on John/Mary's Wedding and a Dark Shift (Q&A)

"I like it when 'Sherlock's' darker. It just suits the tone of the show," the actress behind Mary Morstan tells THR. John Watson is about to become a married man. British drama Sherlock airs the anticipated John/Mary wedding episode on Sunday, during which Sherlock Holmes (Benedict Cumberbatch) debuts his sure-to-be-awkward best man speech. "It's so unusual, and [co-creator] Mark [Gatiss] and I were very thrilled by that. I don't think there's a mystery at all for the first half hour," co-creato...