Everyone knows funny man Owen Wilson. And most teenage girls (and women) have swooned over Miley's fiance Liam Hemsworth. But did you know that Owen has more than just Luke in his family -- he also has brother Andrew Wilson? And that Liam Hemsworth and brother Chris Hemsworth of 'Thor' fame also have an older brother of much less renown? Check out these famous actors and their brothers in the business who you may not know.