James Patrick Stuart is a voice actor and character actor who has worked in television and film and provided voice for animation and video games. His first substantial role came on the long-running daytime soap "All My Children", on which he appeared between 1990 and '95. Through the '90s, Stuart was featured on such major hit comedies as "Seinfeld" and "Frasier", and had a key part on the short-lived '98 sitcom "The Simple Life" as the character Greg Champlain. One of Stuart's biggest roles followed in 2002, as Andy Richter's best friend, Keith, on the quirky comedy "Andy Richter Controls the Universe", about a short-story writer with a day job who is constantly narrating the events in his life. From '03 to '05, Stuart attained more widespread exposure as Attorney Adam Matthews on the popular thriller series "CSI: Crime Scene Investigation", and then as Deputy D.A. Garnett on "The Closer". Beginning in '07, Stuart took on something of a lead role, giving voice to the penguin Private on the family animated series "The Penguins of Madagascar", and he has also worked on the cartoon "Wolverine and the X-Men" and the "Kingdom Hearts" video-game series.