what character did brian austin green play on 90210?
David Silver
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 With five months devoted to casting for the pilot , Gough and Miller cast ultimately hired eight actors to take on the role of series regulars for the first season . Since then , only two characters from the first season have remained regulars through to the eighth season , with seven new actors taking on lead roles from seasons two through eight . Four of those new actors began as recurring guests in their first seasonal appearance , but were given top billing the following season . As the series progresses , recurring guests appear at various times to help move the overall storyline of the show or just provide a side @-@ story arc for one of the main characters , such as Brainiac or Adam Knight . Other recurring guests appear as background characters , showing up for only a few scenes , which includes characters like Sheriff Nancy Adams or Dr. Virgil Swann . 

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 From 2002 to 2003 , Whitaker was the host and narrator of 44 new episodes of the Rod Serling classic , The Twilight Zone , which lasted one season on UPN . After working in several film roles , he returned to television in 2006 when he joined the cast of FX 's police serial The Shield , as Lieutenant Jon Kavanaugh , who was determined to prove that the lead character , Vic Mackey , is a dirty cop . As opposed to his previous character work , Whitaker stated that he merely had to draw on his childhood years growing up in South Central Los Angeles for the role . He received rave reviews for his performance — Variety called it a " crackling @-@ good guest stint " — and he reprised the role in the show 's 2007 season . 

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 Jim Caviezel 's character , Carroll Oerstadt , seemed to mirror in several ways the story of Timothy McVeigh , a domestic terrorist who destroyed the Alfred P. Murrah Federal Building in Oklahoma City with a bomb in 1995 . Caviezel and Scott did not deny this , and both admitted that the Oerstadt character was at least partly based on McVeigh . Ross Johnson of The New York Times also compared the ferry bombing at the film 's beginning to the Oklahoma City bombing . 

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 The writers were aiming to have artists that represented several genres : hip hop ( Cypress Hill ) , alternative rock ( Sonic Youth , Smashing Pumpkins ) and a classic rock singer . Originally , Bob Dylan was sought for this role , but he was replaced by Peter Frampton . Neil Young and Pearl Jam were also sought for the episode but turned down the offer . 

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 The 2005 independent film Green Street starring Elijah Wood and Charlie Hunnam focuses on a firm of West Ham hooligans . 
