Famous doppelgangers that are just a family name and a DNA strain away from being related.
Julia Roberts in <em>Oceans 12</em>/Kyra Sedgwick in <em>Loverboy</em>
Erica Christensen in <em>Swimfan</em>/Julia Stiles in <em>The Business of Strangers</em>
Heath Ledger in <em>The Patriot</em>/Joseph Gordon Levitt in <em>Havoc</em>
Frank Sivero in <em>Goodfellas</em>/Eugene Levy in <em>American Wedding</em>
Natalie Portman in <em>V for Vendetta</em>/Winona Ryder in <em>Mr. Deeds</em>
Matt Damon in <em>The Legend of Bagger Vance</em>/Hilary Swank in <em>Million Dollar Baby</em>
Britney Spears/A Pumpkin
Steven Tyler/Mick Jagger
Shawn White/Carrot Top
Kevin McKidd in <em>Journeyman</em>/Reed Diamond in <em>Life on the Street</em>
Max Weinberg, drummer in E Street Band and <em>Late Night with Conan O'Brien</em>/Brian Chase, drummer in the Yeah Yeah Yeahs
Tom Cruise in <em>MI III</em>/Peter Facinelli in <em>The Big Kahuna</em>