TV guide

Young Sherlock cast and creators

Verified principal cast and creator credits for Young Sherlock (2026).

Creators and crew

Cast

Hero Fiennes Tiffinas Sherlock Holmes
Dónal Finnas James Moriarty
Zine Tsengas Princess Gulun Shou'an
Natascha McElhoneas Cordelia Holmes
Max Ironsas Mycroft Holmes

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