Beech began his Hollywood career as an art department assistant on the 2004 films Criminal (featuring Ellen Geer) and Collateral (starring Bruce McGill). He then coordinated the Los Angeles production unit art department for the Mike Judge comedy Idiocracy, which was filmed in 2004 but not released until 2006. His first film as an assistant art director was the acclaimed 2005 comic drama The Chumscrubber.