Diddy Going 'Greek' With Judd Apatow Gang

Sean 'Diddy' Combs attends a party hosted by Sean 'Diddy' Combs and Kobe Bryant at M2 Ultra Lounge on February 2, 2009 in New York CityGetty ImagesAccess Hollywood

LOS ANGELES, Calif. -- Move over Seth Rogen , Diddy is going "Greek" with the Judd Apatow gang.

Sean "Diddy"Combs has signed on to join the new Apatow-produced comedy, "Get Him to the Greek," according to The Hollywood Reporter.

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Actresses' Rose Byrne and Elisabeth Moss are also joining the cast, which stars the previously announced Jonah Hill and Russell Brand .

The film follows Hill as an inexperienced record company intern who is tasked with getting wild rock star Aldous Snow (Brand) from London to Los Angeles for a gig at the famed Greek Theatre.

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Brand reprises his role from "Forgetting Sarah Marshall."

Diddy will play Hill's record label boss, while Moss (AMC's "Mad Men") will play Hill's girlfriend and Byrne ("Knowing'; FX's "Damages") has been tapped as Brand's out-of-control rocker chick ex-girlfriend.

Diddy's film credits include "Made" and "Monster's Ball." He also recently appeared on two episodes of "CSI: Miami."

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Nicholas Stoller, who directed Apatow's "Forgetting Sarah Marshall," will helm "Greek."

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