Mark Linehan Bruner

Mark Linehan Bruner is an American writer, script coordinator, producer, and actor.

Biography
Little is known about Bruner's early life. In 2005, he began his career in the entertainment industry by appearing in the short film Slinky, portraying a character named Peter. Four years later, he wrote an episode of the TV series Criminal Minds. Then, Bruner began working as a script coordinator for the shows Entourage, Law & Order: LA, The River, and Under the Dome. In 2012, he executive-produced Excision.

Criminal Minds
Bruner wrote Bloodline, his only episode for Criminal Minds to date.