Yoo Da In is the stage name of Ma Young Seon, an award-winning South Korean actress. Born on February 9, 1984, she made her acting debut in the 2005 film “The Beast and the Beauty.” She gained critical acclaim and is best known for her role in the 2010 indie film “Re-encounter,” which was her first leading role and brought numerous Best New Actress awards. She has since starred in many popular films and television dramas, including the recent “Ordinary Love” (2012), “The Night Watchman’s Journal” (2014), “Plus Nine Boys” (2014) and “One More Happy Ending” (2016).