
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.
Filthy Rich
2020
Bad Art
2019
Swing State
2017
Daddy's Home
2015
Code Black
2015
Life in Pieces
2015
Tammy
2014
Beneath
2013
The Inbetweeners
2012
Workaholics
2011
Happiness Runs
2010
Sex Drive
2008
The Lucky Ones
2008
Dexter
2006
Heroes
2006
Big Love
2006
Criminal Minds
2005
The Comeback
2005
Veronica Mars
2004
Harry and Max
2004
The O.C.
2003
Still Standing
2002
CSI: Miami
2002



























