Mark Valley is a versatile film and television actor who is known equally for his comedic, witty turns as he is for his dramatic, weighted performances. Prior to HUMAN TARGET, Valley starred as "FBI Agent John Scott" on the first season of the hit sci-fi drama FRINGE. His additional television credits include a three-year run as "Brad Chase" on "Boston Legal" and starring roles on the network's "Keen Eddie" and "Pasadena," as well as recurring roles on "Once and Again," "ER," "The 4400" and "Swingtown."

His film credits include John Schlesinger's "The Innocent," "The Siege" with Denzel Washington, John Frankenheimer's "George Wallace," "The Next Best Thing" with Madonna and Rupert Everett and "Shrek III" as the voice of "Cyclops." Valley also wrote and performed in "Walls, Wars and Whiskey," a one-man show about his experiences growing up in upstate New York and serving in the military.

Valley graduated from the United States Military Academy at West Point, and began his acting career while serving overseas in the Army. The Gulf War veteran is a native of Ogdensburg, NY, and currently divides his time between Vancouver, Canada, and Los Angeles.