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,

If you grew up in the 1970s, you probably have some fond movie going memory of "Escape to Witch Mountain."

Movie tough guy Dennis Hopper had no problems pretending to beat child actress Anna-Sophia Robb in new movie Sleepwalking because her character's upbringing was just like his.