Leonardo DiCaprio is kind of a big deal. With 'Shutter Island' set to blow the collective minds of moviegoers across the country, we had a chance to sit down with the film's stars -- Leo and Sir Ben Kingsley -- to talk about all of the intensity and drama that went into shooting the Martin Scorsese-directed film.

So what did we learn? For one, Leo would never compare his acting skills to those of Robert De Niro and also that he could hold his own in a Boston pizza parlor. As for Sir Ben, we get into his brain about playing a psychiatrist and also how Leo held up against the Oscar winner. Leonardo DiCaprio is kind of a big deal. With 'Shutter Island' set to blow the collective minds of moviegoers across the country, we had a chance to sit down with the film's stars -- Leo and Sir Ben Kingsley -- to talk about all of the intensity and drama that went into shooting the Martin Scorsese-directed film.

So what did we learn? For one, Leo would never compare his acting skills to those of Robert De Niro and also that he could hold his own in a Boston pizza parlor. As for Sir Ben, we get into his brain about playing a psychiatrist and also how Leo held up against the Oscar winner.

In our chat, DiCaprio tells Moviefone that despite the intensity of his 'Shutter' role, he's not one of those actors who takes the role home with him. "You hear about a lot of actors that carry their character with them. When they're off-set, they have to keep it going. I feel like if I don't have that time to shut off and be alone in my hotel room... there's no way I'll have the energy to continue on."

So, with his fourth collaboration with Martin Scorsese, does Leo consider himself the new DeNiro, who Scorsese famously paired up with on classic films like 'Raging Bull' and 'Goodfellas'? "That to me is the greatest cinema duo of all time, so I wouldn't dare even have that conversation."

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Kingsley, who plays the ominous Dr. Cawley in 'Shutter Island,' tells us that working with DiCaprio was "a joy" and that Leo "had to propel himself into extremely painful areas, but it didn't come as any surprise to me that he was able to fill those areas with great intelligence and vigor. He's an absolutely perfect actor, and he's a real actor. It's continually thrilling to be with them."

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