Liam Neeson has boarded director Paul Haggis' thriller The Next Three Days for Lionsgate.

According to The Hollywood Reporter, the movie began filming Friday in an around Pittsburgh, and is scheduled to wrap Dec. 12.

Russell Crowe and Elizabeth Banks star in the movie, which revolves around a woman imprisoned for a murder she claims she didn't commit and her college professor husband who decides to break her out.

Already cast in the film are Brian Dennehy, Lennie James, Olivia Wilde, Aisha Hinds, Daniel Stern, Jonathan Tucker, and rap artist RZA.

Neeson's scenes, which are cameo in nature, see the actor playing a man who escaped from prison several times and wrote a book about the subject. He gives advice to the professor.

The Next Three Days was released November 19th, 2010 and stars Russell Crowe, Elizabeth Banks, Michael Buie, Moran Atias, Remy Nozik, Toby Green, Tyler Green, Jason Beghe. The film is directed by Paul Haggis.