Biography

Attended the famous NYC "FAME", Fiorello H. LaGuardia High School of Music & Art and Performing Arts, where he studied Drama.

Was a stone-cold hippie bongo drum player while attending Bard College.

Played a member of the entourage of the movie star character played by Leonardo DiCaprio in the movie Celebrity (1998). Later, he starred in the TV series Entourage (2004), in which he played a movie star with an entourage of his own.

Plays piano, guitar and drums.

He was raised by his mother, Karesse Grenier, a New York City real estate agent. Growing up, he didn't know who his father was. His parents met while living in a commune, and split up soon after Adrian's birth. The documentary Shot in the Dark (2002) covers Adrian's search to find out who his father was, meet and get to know him. Also involved in the film, as both producer and on-camera interviewer, was Adrian's friend Jonathan Davidson.

I'm one with New York and New York is one with me. I grew up there; there's no escaping it. We're like Siamese twins, if you separate us, I'll die.

Certainly, if it had been anything other than an HBO show I'd probably still be in Mexico now with a Mexican wife and kids.

Celebrities become divas because they get pampered so much, babied so much - then they get used to it.

Being performers, that's what we do: We put on shows and want people to watch.

My only ambition when I came to Hollywood was to pay my rent.