who is the actor that plays voldemort in harry potter
Best Answer: In Sorcerer's Stone, the head is made with CGI effects, modeled after Ian Hart, who also does the voice. In this movie, Richard Brenner plays Voldemort in the scene where he is taking blood from a unicorn. In the Goblet of Fire, he is played by Ralph Fiennes, who will also play Voldemort in the upcoming 5th film. Source(s):