Episode

The Final Problem

Previous: The Lying Detective

Cast
Benedict Cumberbatch as Sherlock Holmes
Tom Stoughton as Young Sherlock
Martin Freeman as Dr. John H. Watson
Mark Gatiss as Mycroft Holmes
Una Stubbs as Mrs. Hudson
Rupert Graves as DI Greg Lestrade
Andrew Scott as Jim Moriarty
Amanda Abbington as Mary Morstan
Aaron Richards as Young Mycroft
Richard Crehan as Ben
Simon Kunz as Sir Edwin
Indica Watson as Little Eurus
Stuart Jason Lee as Armed Guard
Brett Allen as Special Unit Guard
Sian Brooke as Eurus Holmes
Louise Brealey as Molly Hooper
Tam Mutu as Leonard
Honor Kneafsey as Girl on Plane
Grant Crookes as Police Officer
Matt Young as Young Police Officer
Art Malik as Prison Governor
Timothy Carlton as Sherlock's father
Wanda Ventham as Sherlock's mother
Rhys Rusbatch as Technician
Clare Foster as Velma
Harry Tuffin as Victor
Paul Weller as The Viking
Ralph Ineson as Vince