Rob Lowe Says Patrick Dempsey Was More 'Interesting' in 'Grey's Anatomy' Than He Would've Been

Rob Lowe has no regrets about turning down Grey's Anatomy's McDreamy role

Rob Lowe, 20, rocks a mullet in 1985 snap from St. Elmo's Fire composer David Foster

10 Things You Didn't Know About Rob Lowe--By Rob Lowe