Park Seo Joon ascended quickly from a background character to Korean drama superstar. His handsome good looks and character adaptability have made him a popular male lead for romance and action dramas. About Park Seo Joon Born on December 16, 1988 in Seoul, South Korea. Park Seo Joon started acting in minor roles and worked his way to male lead characters. PSJ did his mandatory military service right out of school, so he can focus solely on acting going forward. She Was Pretty I thought PSJ did a satisfactory job in She Was Pretty, but he was dramatically upstaged by Choi Si Won’s second lead who stole the show for…