# Mark L. Young

Markell V. Efimoff (born August 22, 1988), known professionally as Mark L. Young, is an American actor. He attended La Salle University in the United States.

## Early life

Markell V. Efimoff (Russian: Маркелл В. Ефимов) was born in Everett, Washington, of Russian descent. He has a fraternal twin Arthur and an older sister Arlaris.
Young began acting at the age of nine 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.

## Career

Young's other notable appearances include television shows The Comeback, 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, The Lucky Ones, We're the Millers, and Tammy.

## Filmography
### Film

| Year | Film | Role | Note |
| 2003 | Rogues | Choir | |
| 2004 | Harry + Max | Harry, Aged 15 | |
| 2005 | In Memory of My Father | Middle Chris | Deleted scenes |
| 2008 | Sex Drive | Randy | |
| 2008 | The Lucky Ones | Scott Cheaver | |
| 2010 | Happiness Runs | Victor | |
| 2013 | Movie 43 | Calvin Cutler; Segment "The Thread" | |
| 2013 | Beneath | Grubbs | |
| 2013 | We're the Millers | Scottie P | |
| 2014 | Tammy | Jesse | |
| 2014 | The Guilty Innocent | Josh | |
| 2015 | The Curse of Downers Grove | Ian | |
| 2015 | Daddy's Home | Dental hygienist | |
| 2017 | Swing State | Neil Hornback | |
| 2017 | Dirty Lies | Josh | |
| 2018 | False Profits | Travis Pitts | Made for TV movie |
| 2019 | Bad Art | Benji | Post-production |

### Television

| Year | Film | Role | Note |
| 2003 | Still Standing | Kid #1 | 1 episode: "Still Partying" |
| 2003–2004 | Six Feet Under | Eric Sheedy | 2 episodes: "Tears, Bones & Desire", "In Case of Rapture" |
| 2005 | CSI: Miami | Lucas Hall | 1 episode: "Nailed" |
| 2005 | The O.C. | Prepubescent Geek #1 | 1 episode: "The Ex-Factor" |
| 2006 | Dexter | Jeremy Downs | 2 episodes: "Popping Cherry", "Circle of Friends" |
| 2006 | Cold Case | Young Jed Huxley | 1 episode: "The Key" |
| 2007 | CSI: Crime Scene Investigation | Tommy Halpert | 1 episode: "Lying Down with Dogs" |
| 2007 | ER | Evan Hayes | 1 episode: "Crisis of Conscience" |
| 2009 | Big Love | Franky | 4 episodes |
| 2009 | The Secret Life of the American Teenager | Thomas | 2 episodes: "Making Up Is Hard to Do", "Money for Nothing, Chicks for Free" |
| 2009 | Heroes | Jeremy Greer | 2 episodes: "Tabula Rasa", "Strange Attractors" |
| 2010 | CSI: NY | Tom Reynolds | 1 episode: "Hide Sight" |
| 2010 | Childrens Hospital | Raye LePlante | 1 episode: "Joke Overload" |
| 2010 | Criminal Minds | Owen Porter | 1 episode: "Exit Wounds" |
| 2012 | The Inbetweeners | Neil Sutherland | Main cast |
| 2013 | Workaholics | Simon | 1 episode: "Fourth and Inches" |
| 2013 | Kroll Show | Mark's Son | 1 episode: "Can I Finish?" |
| 2013 | The Neighbors | Logan | 1 episode: "Good Debbie Hunting" |
| 2013-2014 | Betas | Trevor | Recurring cast 5 episodes |
| 2014 | Mind Games | Ryan McKee | 1 episode: "Apophenia" |
| 2014 | The Comeback | Tyler Beck | Main cast (season 2) 8 episodes |
| 2015 | Life in Pieces | Scarecrow | 1 episode: "Godparent Turkey Corn Farts" |
| 2016 | Aquarius | Bobby Beausolein | 2 episodes: "Mother Nature's Son", "Blackbird" |
| 2016 | Code Black | Justin Keller | 1 episode: "Hero Complex" |
| 2017 | Ten Days in the Valley | PJ | 6 episodes |
| 2019 | Veronica Mars | Jimmy | 1 episode: "Spring Break Forever" |
| 2020 | Filthy Rich | Jason Conley | Main cast |