Showbiz
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The actor appeared alongside the 64-year-old in 2008 movie National Treasure: Book of Secrets.
In an interview with the Daily Mail, Bartha admitted that Mirren was "the only person I've ever worked with that I've had a crush on".
He said: "She's so sexy, smart and talented and loves having fun, but oh my God, if I thought Catherine Zeta-Jones was bawdy, Helen was filthy.
"There was a scene where Nicolas Cage had to stick his hand in a crevasse and pull a lever and while he was doing it, she leaned over and said something so suggestive, all I could do was look at her in shock and say 'Dame Helen!'.
"But she loves having fun and the fact she's so comfortable in her own skin is what makes her so attractive. She has a very lucky husband."
> Helen Mirren 'happy to pose nude'
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