The Young Sherlock series, starring Hero Fiennes Tiffin as the title character, has found its Mycroft Holmes. Max Irons will play Sherlock's older brother in the Amazon Prime Video series.

Rounding out the roster of familiar faces from Sir Arthur Conan Doyle's book series, The White Queen's Max Irons has been tapped to play the role of Sherlock's older brother, Mycroft Holmes.

Holmes and Watson are surprised by a visit from Mycroft Holmes - Sherlock's brother and the indispensable secret power behind the British government. A young clerk named Cadogan West has been ...