Young Sherlock backdrop
Young Sherlock poster

Young Sherlock Cast & Characters

Young Sherlock (2026) stars Hero Fiennes Tiffin as Sherlock Holmes, Dónal Finn as James Moriarty and Zine Tseng as Princess Gulun Shou'an. The action series premiered on Prime Video in 2026. Below is the full cast and crew.

Returning Series TV-14 2026 78 Audience 68 Review
'Young Sherlock' Trailer
'Young Sherlock' Trailer
Starring Cast

Full cast

5 cast members

Crew by department

79 crew members

Production

Clare Maclean
Post Producer
Claire Thomas
Post Production Supervisor
Ellie Adams
Post Production Coordinator