Series 4
(2017)← Back to season list
Season Regulars 7
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![Benedict Cumberbatch]()
Benedict Cumberbatch
Sherlock Holmes -
![Martin Freeman]()
Martin Freeman
John Watson -
![Rupert Graves]()
Rupert Graves
Greg Lestrade -
![Mark Gatiss]()
Mark Gatiss
Mycroft Holmes -
![Una Stubbs]()
Una Stubbs
Mrs. Hudson -
![Amanda Abbington]()
Amanda Abbington
Mary Morstan -
![Louise Brealey]()
Louise Brealey
Molly Hooper
Crew 1
Writing
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![Arthur Conan Doyle]()
Arthur Conan Doyle
Characters
Episodes 3
Sherlock waits to see where Moriarty will make his posthumous move. One mysterious case in particular baffles Scotland Yard - but Sherlock is more interested in a seemingly-trivial detail. Why is someone destroying images of the late Prime Minister Margaret Thatcher? Is there a madman on the loose? Or is there a much darker purpose at work? Something with its roots deep in Mary Watson's past…
Read MoreGuest Stars 10 Full Cast & Crew
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![Rob Callender]()
Rob Callender
Charlie Welsborough -
![Amanda Root]()
Amanda Root
Emma Welsborough -
![Charles Edwards]()
Charles Edwards
David Welsborough -
![Paul Chequer]()
Paul Chequer
DI Dimmock -
![Eleanor Matsuura]()
Eleanor Matsuura
DI Hopkins -
Marcia Warren
Vivien -
![Sacha Dhawan]()
Sacha Dhawan
Ajay -
![Simon Kunz]()
Simon Kunz
Sir Edwin -
![Sian Brooke]()
Sian Brooke
Elizabeth -
![Lindsay Duncan]()
Lindsay Duncan
Lady Smallwood
Episode Images 16 View All Episode Images
Sherlock faces perhaps the most chilling enemy of his long career: the powerful and seemingly unassailable Culverton Smith - a man with a very dark secret indeed.
Read MoreGuest Stars 6 Full Cast & Crew
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![Gina Bramhill]()
Gina Bramhill
Faith -
![Tom Brooke]()
Tom Brooke
Wiggins -
![Georgina Rylance]()
Georgina Rylance
Cornelia -
![Toby Jones]()
Toby Jones
Culverton Smith -
![Sian Brooke]()
Sian Brooke
Elizabeth -
![Lindsay Duncan]()
Lindsay Duncan
Lady Smallwood
Episode Images 15 View All Episode Images
Holmes and Watson travel to Europe to escape Moriarty's vengeance.
Read MoreGuest Stars 6 Full Cast & Crew
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![Wanda Ventham]()
Wanda Ventham
Mrs. Holmes -
Timothy Carlton
Mr. Holmes -
![Art Malik]()
Art Malik
Prison Governor -
![Simon Kunz]()
Simon Kunz
Sir Edwin -
![Sian Brooke]()
Sian Brooke
Eurus Holmes -
![Andrew Scott]()
Andrew Scott
Jim Moriarty
Episode Images 8 View All Episode Images
