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In The Departed, Leonardo shares the screen with co-stars Matt Damon, Jack Nicholson, Martin Sheen, Mark Wahlberg and Alec Baldwin.

Working with Jack Nicholson was a dream come true for Leonardo...and a real challenge as an actor. "He's entirely unpredictable," Leonardo says about Jack. "All the actors who stepped on the set ... knew that we had to be prepared for absolutely anything. ... He's just a force of nature and he's doing such incredible work at this age in his career. I mean, it's astounding that he's still pushing the envelope in every role that he does."

The Departed was also Leonardo's third time working with director Martin Scorsese. The previous two films were 2002's Gangs of New York and 2004's The Aviator.

"He knows more about film than anyone I've ever met. He's a film historian and he is a mentor to me in a lot of ways. I learned a tremendous amount about the commitment that it takes to make a movie," Leonardo says. "He's a really powerful force to work with every day on set."
FROM: What Leonardo DiCaprio Wants You to Know
Published on December 04, 2006