Besetzung

• Benedict Cumberbatch — Sherlock Holmes
• Mark Gatiss
• Rupert Graves — Greg Lestrade
• Art Malik — Prison Governor
• Martin Freeman — John Watson
• Sian Brooke — Eurus Holmes
• Andrew Scott — Jim Moriarty
• Una Stubbs — Mrs. Hudson
• Louise Brealey — Molly Hooper
• Amanda Abbington — Mary Watson