
Mark L. Young
Born Markell V. Efimoff in Everett, Washington, Young began acting at the age of 9 and moved to Los Angeles when he was 12 to pursue his career. His first significant on-screen credit was a small role in two episodes of the HBO series Six Feet Under.
Young's other notable appearances include television shows The OC, Dexter, Big Love, Childrens Hospital, Heroes, Secret Life of the American Teenager, Cold Case, ER, CSI: Crime Scene Investigation and The Inbetweeners, while his film credits include Sex Drive, Happiness Runs, a turn as Tim Robbins' character's son in The Lucky Ones, and We're the Millers, a comedy starring Jennifer Aniston, Emma Roberts, Will Poulter, Jason Sudeikis, Ed Helms, and Nick Offerman.
Known For










Credits
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Filthy Rich 2020Jason Conley★ 6.8
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Bad Art 2019Benji★ NR
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PJ★ 5.7
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Swing State 2017Neil Hornback★ 4.8
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Daddy's Home 2015Dental Hygienist★ 6.3
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Code Black 2015Justin Keller★ 7.8
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Life in Pieces 2015Scarecrow★ 7.1
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Ian★ 4.8
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Tammy 2014Jesse★ 5.3
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Beneath 2013Grubbs★ 5.4
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We're the Millers 2013Scottie P.★ 6.8
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The Inbetweeners 2012Neil Sutherland★ 4.8
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Happiness Runs 2010Victor★ 4.2
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Childrens Hospital 2008Raye LePlante★ 7.2
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Sex Drive 2008Randy★ 6.4
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The Lucky Ones 2008Scott Cheaver★ 6.4
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Dexter 2006Jeremy Downs★ 8.2
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Heroes 2006Jeremy Greer★ 7.5
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Criminal Minds 2005Owen Porter★ 8.3
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The Comeback 2005Tyler★ 7.4
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Veronica Mars 2004Jimmy★ 7.8
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Harry + Max 2004Harry, Age 15★ 5.6
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The O.C. 2003Prepubescent Geek★ 7.8
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Still Standing 2002Kid #1★ 6.9
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CSI: Miami 2002Lucas Hall★ 7.7