Good Genes or Good Docs?
12/18/2011 3:30 AM PST
'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?