Adrian Grenier is best known for playing Vincent Chase in HBO's hit series Entourage. He first received critical acclaim for his performance in the independent film The Adventurers of Sebastian Cole. Most recently, he was seen in Woody Allen's Anything Else, and in Love in the Time of Money, which premiered at the Sundance Film Festival. Grenier also appeared in Gregory Hoblit's Hart's War, and Cecil B. Demented, written and directed by John Waters. Other credits include Celebrity, Drive Me Crazy and Harvard Man.

A filmmaker in his own right, Grenier has written and directed several short films and a documentary, Shot in the Dark. Also a gifted, self-taught musician, he attended Manhattan's prestigious LaGuardia High School and plays drums for The Honey Brothers.