None of them loom quite as large as Voldemort, though. Originally named Tom Marvolo Riddle and played, after he regains corporeal form in "Harry Potter and the Goblet of Fire," by Ralph Fiennes ...

While at Hogwarts, Tom Riddle, later known as Lord Voldemort, opened the Chamber ... Dumbledore started looking for others and eventually found Marvolo Gaunt's Ring, which he destroyed using ...