Zachary was born in Pittsburgh, Pennsylvania, USA on June 2nd, 1977.
Zachary got into acting in 2000, with a role on the pilot of The Others.
Since then Zachary has appeared in many small roles in several television shows including CSI: Crime Scene Investigation, Lizzie McGuire, Six Feet Under, and Crossing Jordan.
He is probably best known for his role on the third season of 24, as the CTU analyst Adam Kaufman. He only appeared in the show for one season, but it is possible for his character to return at a later date.
His most recent role as of 2008 is on the show, Heroes as the mystery villain, Sylar.