Hero Fiennes Tiffin Brings 'Young Sherlock' Series to NYC with Donal Finn & More!

We’re still one month away from the streaming debut of Young Sherlock, but Hero Fiennes Tiffin is promoting his new series right now!

The 28-year-old actor was joined by co-star Donal Finn at a screening of the Prime Video series on Monday night (February 9) at the SVA Theater in New York City.

Also in attendance were co-stars Natascha McElhone, Zine Tseng, and Holly Cattle.

Young Sherlock, directed by Guy Ritchie, is an irreverent, action-packed mystery that charts the legendary...