The director behind "Titanic" is revealing how he got a reluctant Leonardo DiCaprio to sign on for the role.
In a new interview with Vanity Fair, James Cameron, who helped shepherd the 1997 classic to success, said DiCaprio "didn't want to do it" but agreed once he realized what a challenge the film would be.
"He knew he should, everybody told him he should do it," Cameron, 71, told the outlet. "It took me five weeks working with him, probably, to drill down to what he didn't like about it.
"The answer was very simple," the director said. "He didn't think it was challenging enough."
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