Here's How Old the "iCarly" Cast Were When the Show Originally Aired

At 15 years old, Jennette McCurdy was the eldest of the "iCarly" web show trio. Prior to the series, McCurdy made numerous television appearances on a variety of shows like "Malcolm in the Middle" and "Will & Grace." Two years before she made audiences laugh as Sam Puckett on "iCarly," McCurdy landed a small role on "Zoey 101" as Trisha Kirby, a troublemaking student at Pacific Coast Academy.