Some of the world's wealthiest men are ready for their Hollywood close-ups.
The highly anticipated big-screen version of the HBO series "Entourage" hits the big screen this weekend, offering an insider look at the business of Hollywood. Vincent Chase (Adrian Grenier), E (Kevin Connolly), Johnny Drama (Kevin Dillon) and Turtle (Jerry Ferrara) are still together, this time behind the scenes as aspiring movie directors and producers. Former super agent Ari Gold (Jeremy Piven) also makes his triumphant return as the newly named head honcho of a studio trying to get a film onto the big-screen.
Rounding out the cast is Texas billionaire (Billy Bob Thornton), and his meddling son Travis (Haley Joel Osment), playing deep-pocketed investors bankrolling and thwarting Team Entourage every chance they get.
Perhaps equally as noteworthy as the returning stars is a roster of surprise cameos featured throughout the film, many of them real-life business leaders. One in particular is a celebrity in his own right.
Berkshire Hathaway Chairman and CEO Warren Buffett appears midway through the film, as he crosses paths with Ari Gold. Buffett's cameo is brief, but he does manage to toss off a few memorable one-liners before zipping off in his golf cart across the Warner Brothers studio backlot.
Buffett, of course, is no stranger to celebrity. He's famous for hobnobbing with athletes such as basketball star LeBron James and boxer Floyd "Money" Mayweather Jr.