Ralph Fiennes, who portrayed Lord Voldemort in the fourth and fifth Harry Potter films, recently spoke with Ain't It Cool News. During the interview, he was asked if he was in Harry Potter and the Half-Blood Prince. He stated that he was not. He said, as we previously told you, that his nephew Hero Fiennes Tiffin is in the film as young Tom Riddle. When Ralph was asked whether he has yet signed on for the seventh film, Deathly Hallows, he said he hasn't yet.