"They force you to do some stunt acting jobs as you get older and now I'm one of the featured mercenaries in The Dark Knight Rises that is coming out soon. I got to do some really cool hand to hand combat with 12 mercenaries," he told Action Fest.
"Anne Hathaway is there in her nice Catwoman outfit and Christian Bale as Batman. It is on a rooftop and the Bat Copter is there which is the bomb. It was unbelievable."
The Dark Knight Rises will be director Christopher Nolan's third and final Batman film. Bale and Hathaway are part of an ensemble cast that also includes Tom Hardy, Gary Oldman, Michael Caine, Joseph Gordon-Levitt and Morgan Freeman.
Earlier this week, it was officially confirmed that Liam Neeson will reprise his Batman Begins role of Ra's al Ghul, as previously rumoured.
The Dark Knight Rises opens in cinemas on July 20, 2012.