Paul Giamatti has been signed to Rock of Ages. He is the latest cast member to be confirmed for the film, directed by Adam Shankman.
The film is a big-screen adaptation of the Broadway musical that attracted so many people. It featured rock songs of the '80s from bands like Bon Jovi, Journey, and Poison.
Giamatti will play the manager of a metal band, according to Deadline. The band is lead by Stacee Jaxx, played by Tom Cruise.
Mary J. Blige, Russell Brand, and Alec Baldwin are also set to star in the film.
Rock of Ages is set to hit theaters on June 1, 2012.