Philip Seymour Hoffman said he was attracted to The Hunger Games: Catching Fire because of the interesting characters.
The Oscar winner is set to take on the role of Plutarch Heavensbee in the second movie in the series - which is set to begin filming later this year.
Speaking to Entertainment Weekly the actor said: "It's a great group of actors. It's a great environment.
"And the character was something I was attracted to. It was just an interesting role.
"He's somebody who's part of the revolution, but you don't know it. The idea that somebody would be risking themselves in such an extreme way to join something that's that dangerous because he thinks it's the future, that's interesting stuff, you know?"
Hoffman is just one of the new faces that we will be seeing on the cast list as Jena Malone is also set to star as Johanna Mason.
Jennifer Lawrence is back as Katniss Everdeen while Josh Hutcherson, Liam Hemsworth and Woody Harrelson are all set to return to their roles .
The Hunger Games: Catching Fire is released 22nd November 2013