Ma Dong Seok is a South Korean actor. He was born on March 1, 1971, with the name Lee Dong Seok and also goes by the name Don Lee. Prior to his acting career, Ma Dong Seok worked as a personal trainer to mixed martial artists Mark Coleman and Kevin Randleman. Ma Dong Seok made his acting debut in the 2005 film “Heaven’s Soldiers.” He has since appeared in many popular films and television dramas, including the recent “Shut Up! Flower Boy Band” (2012), “Bad Guys” (2014), “Sense8” (2015), “Squad 38” (2016) and the web drama “Tong: Memories” (2016). He won Best Supporting Actor for his role in the 2012 film “The Neighbor” at the 49th Baeksang Arts Awards.