who voices ultron in age of ultron
James Spader Is the Voice of Ultron in The Avengers: Age of Ultron! James Spader will face off against Earth's Mightiest Heroes as the villain in Marvel's The Avengers: Age of Ultron the sequel to 2012's record-breaking Marvel's The Avengers. The Emmy Award-winning actor will play Ultron in the Avengers' much anticipated return to the big screen from writer/director Joss Whedon.