Episode 1
S4 E1 January 1, 2017 1h 29m
★ 6.9
Source:
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Guest Stars
Una Stubbs
Mrs. Hudson
Rupert Graves
DI Greg Lestrade
Louise Brealey
Molly Hooper
Mark Gatiss
Mycroft Holmes
Andrew Scott
Jim Moriarty
Tanya Moodie
Ella
Amanda Abbington
Mary Morstan
Lars Mikkelsen
Charles Magnussen
