Max Irons

as Mycroft Holmes (11 episodes)

as Henry Hobday (4 episodes)

as Malcolm Foxworth (4 episodes)

as Al (2 episodes)

as Joe Turner (20 episodes)

as Alf

as Charles Hayward

as David Castleman

as Yuri

as Howard Carter (4 episodes)

as Fritz Altmann

as Miles Richards

as Edward IV of England (10 episodes)

as Jared Howe

as Apsley Cherry-Garrard

as Tommy (6 episodes)

as Henry Lazar

as Tom

as Lucius

as Curtain Call Boy

as Self (1 episode)