About
Widely known as crazed druggie and fictional director Billy Walsh on the HBO hit comedy series Entourage.
Before Fame
He debuted as a guest star in 2003 in the role of Zorbo on the show One on One.
Trivia
He appeared in the seventh season of 24 in a regular role as FBI Agent Sean Hillinger.
Family Life
He married director Kat Coiro and grew up with two siblings.
Associated With
He appeared alongside Will Forte in the film MacGruber.