(written from a Production point of view)
Thomas Alexander Dekker (born 28 December 1987; age 31) is an actor from Las Vegas, Nevada who portrayed Thomas Picard in Star Trek Generations. He also appeared as the character Henry Burleigh in the Star Trek: Voyager episodes "Learning Curve" and "Persistence of Vision".
He has gained popularity for his recurring role of Zach on the NBC series Heroes from 2006 to 2007. He played John Connor in the FOX television series Terminator: The Sarah Connor Chronicles from 2008 to 2009.
In animation circles, Dekker succeeded Phillip Glasser as the voice of Fievel Mousekewitz in the two direct-to-video sequels to the 1986 and 1991 theatrical films in the American Tail franchise.