Just announced is the latest star to add their voice to the growing talent pool of A-listers for the upcoming Batman movie.
The role will see the Oscar-winning actor adding his voice to a cast that already includes Will Arnett as Batman, Michael Cera as Robin, Rosario Dawson as Batgirl, and Zach Galifianakis as the Joker.
Fiennes will be known to many as Lord Voldemort from Harry Potter, and M in the most recent James Bond films.
Chris McKay is directing the animated film, from a script by Seth Grahame-Smith.
Source: The Hollywood Reporter