Good Genes or Good Docs?
12/18/2011 3:30 AM PST BY Johnny Lopez
Tom Cruise's mission impossible is aging.
Here's the handsome 30-year-old "Far and Away" star back in 1992 (left) -- and 19 years later, the flawless 49-year-old promoting his new movie "Mission: Impossible -- Ghost Protocol" in London this week (right).
What's his secret?
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