10/28/2010 05:12 am ET | Updated May 25, 2011

Costar: George Clooney 'Wasn't That Experienced' At Sex Scene

For most women, getting naked with George Clooney would be intimidating.

But for his costar in the upcoming thriller The American, there was no such trepidation -- on her part, at least.

"He confessed ... that he didn't do lots of sex scenes," Violante Placido, who plays prostitute Clara and Clooney's love interest in the film, tells PEOPLE. "I felt like this was in a way something new to him, he wasn't that experienced."

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