Hero Beauregard Faulkner Fiennes Tiffin (/faɪnz/; born 6 November 1997) is an English actor, model and film producer. He is known for his starring role as Hardin Scott in the After film series. He portrayed 11-year-old Tom Riddle, the young version of the antagonist Lord Voldemort who is played by his uncle Ralph Fiennes, in the film Harry Potter and the Half-Blood Prince.

Early life
Hero Fiennes Tiffin was born in London on 6 November 1997, the son of film director Martha Fiennes and cinematographer George Tiffin. He has an older brother named Titan and a younger sister named Mercy. He does not hyphenate his name because his parents were never married. He was educated at Reay Primary School in Lambeth, Emanuel School in Battersea, and Graveney School in Tooting. He is a member of the Twisleton-Wykeham-Fiennes family; his great-grandfather was Maurice Fiennes, and his uncles are actors Ralph and Joseph Fiennes. His maternal grandparents were photographer Mark Fiennes and novelist Jennifer Lash.