Park Hae-jin (born May 1, 1983) is a South Korean actor. He is best known for his supporting roles in dramas My Love from the Star (2013) and Doctor Stranger (2014), and his leading roles in Bad Guys (2014), Cheese in the Trap (2016), Man to Man (2017), Forest (2020), Kkondae Intern (2020), and From Now On, Showtime! (2022).