Duel is a 2017 South Korean television series starring Jung Jae-young, Kim Jung-eun, Yang Se-jong and Seo Eun-soo. It aired on OCN from June 3 to July 23, 2017 on Saturdays and Sundays at 22:00 (KST) for 16 episodes.

Kim Jung-eun is a South Korean actress best known for her roles in the film Marrying the Mafia (2002) and the television series Lovers in Paris (2004), I am Legend (2010) and Make a Woman Cry. In 2008, Kim hosted her own music talk show Kim Jung-eun's Chocolate on SBS.