About Mark L. Young
Born 1991. Mark L. Young is an American actor, television actor and film actor.
Markell V. Efimoff (born August 22, 1988), known professionally as Mark L. Young, is an American actor.
Early life Markell V. Efimoff 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 notable appearances include television shows The Comeback, The O.C., 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
Television
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Important facts
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Contemporaries
People whose lives overlapped Mark L. Young's
Frequently asked questions
Who is Mark L. Young?
American actor
When was Mark L. Young born?
Mark L. Young was born on 1 January 1991 in Everett.
What is Mark L. Young's occupation?
Mark L. Young is an actor, television actor and film actor.
What nationality is Mark L. Young?
Mark L. Young is American.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Mark L. Young. https://biography.guide/mark-l-young/
MLA: "Mark L. Young." Biography.guide, https://biography.guide/mark-l-young/.
Chicago: "Mark L. Young." Biography.guide. https://biography.guide/mark-l-young/.
Data last updated: 2026-09-22 · Spot an error? Report a correction.
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