starring

Elizabeth Olsen as Rachel Simpson

Benedict Cumberbatch as Sherlock Holmes

Martin Freeman as John Watson

guest starring

Andrew Scott as Jim Moriarty

Amanda Abbington as Mary Morstan

Tom Hiddleston as Bayley Redding

Kaley Cuoco as Amanda

with special guest stars

Rupert Graves as Detective Inspector Lestrade

Lara Pulver as Irene Adler