It may not have been a huge box office success on it’s opening weekend, but Entourage opened with an impressive list of cameos.

A constant theme of the HBO series was the steady stream of celebrity cameos  at unexpected moments while the boys would go about Tinseltown trying to break into the industry.

In keeping with the nature of such cameos, the new movie delivers some impressive, quick cameos of some really, famous faces.  You to watch the movie to find tall the famous faces in the glitzy crowds, but here are the 9 biggest according to ibtimes.com:

1.  Pharrell
Vince (Adrian Grenier) turns the crowd to Pharrell for a surprise performance.

2. Liam Neeson
Apparently, Neeson and studio executive Ari Gold (Jeremy Piven) are not on good terms.

3. Kelsey Grammer
Just as Gold and Mrs. Ari (Perrey Reeves) are heading into therapy, Kelsey Grammer comes storming out grumbling about his session.

4. Jessica Alba
The actress threatens to walk of the set of her terrible sci-fi movie if Gold continues to hold out on her passion project.

5. Armie Hammer
The jealous ex of Emily Ratajkowski isn’t afraid to confront the guys and throw shade.

6. T.I. and Tiny
The rapper and reality-TV star run into E (Kevin Connolly) and Sloan (Emmanuelle Chriqui) while waiting for a prenatal visit.

7. Warren Buffet
One of the richest men on the planet stops by the world of “Entourage” on a golf cart to tell Gold to make things right between himself and his studio bosses.

8. Gary Busey
By the side of the pool and surrounded by shirtless men, Busey is busy doling out life advice to Hollywood hunks who just don’t get him.

9. George Takei
One of the last cameos in the film (stay past the first few minutes of the credits) shows Lloyd’s (Rex Lee) wedding officiated by George Takei.

Tell us, did you see Entourage? How many of these cameos did you see?