Many of these stars have done a lot for their 16 (or nearly 16) years, while others are just starting off. You may know these young ladies and gentlemen from shows such as Wizards of Waverly Place...

Peter Gallagher ("The O.C."), Jamie-Lynn Sigler ("The Sopranos"), Kristin Lehmann ("Prison Break"), Jenna Boyd ("Sisterhood of the Traveling Pants") and two-time Academy Award nominee Peter Fonda s...