Hero Fiennes Tiffin Shines at Los Angeles Screening for Prime Video's 'Young Sherlock'

Hero Fiennes Tiffin made an appearance at a special screening of his latest project, the Prime Video series Young Sherlock, at the DGA Theater Complex in Los Angeles on Thursday, April 23. The 28-year-old British actor, who takes on the title role, was on hand to celebrate the show, which launched in March and has already been picked up for a second season.

The series has become a breakout hit for the streaming platform. Debuting at number one on Prime Video, Young Sherlock quickly captured audiences worldwide, accumulating over 45 million viewers and topping charts in 95 countries. The show now ranks among Prime Video's Top 10 Originals of all time, according to Deadline.

Fiennes Tiffin's career has gained considerable momentum in recent years. He's best known for playing Hardin Scott across the After film franchise and portrayed Tom Riddle in Harry Potter and the Half-Blood Prince. Most recently, he starred opposite Simone Ashley in the 2025 film Picture This. This week, the actor also signed with WME, marking a significant step in his representation.

The Young Sherlock ensemble includes Dónal Finn, Zine Tseng, Joseph Fiennes, Natascha McElhone, Max Irons, Colin Firth, and Numan Acar. Fiennes Tiffin previously attended the show's London premiere alongside his uncle Joseph Fiennes, who is also part of the cast. The series was created by Guy Ritchie.