Sherlock's Mark Gatiss

Published: Dec. 21, 2015, 9:30 a.m.

Sherlock co-creator, writer and actor Mark Gatiss\u2014who plays the conniving Mycroft Holmes\u2014previews the upcoming special, \u201cThe Abominable Bride,\u201d (premiering 1/1/15 on PBS) and takes you behind the scenes of the hit show. From hatching the idea for the series on a train ride, to casting Benedict Cumberbatch, Gatiss reflects on bringing Sherlock to life in the 21st century.

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