Park Seo-jun Janubiy Koreyalik aktyordir. U 1988-yil 16-dekabrda tug‘ilgan va 2011-yilda Bang Yong Gukning "I Remember" nomli singl uchun musiqiy videoda debyut qilgan. U "Dream High 2" (2012), "A Word From Warm Heart" (2013), "A Witch’s Romance" (2014), "Kill Me, Heal Me" (2015), "She Was Pretty" (2015), "Hwarang" (2016-2017) va "Fight My Way" (2017) kabi mashhur televizion dramalarda rol o'ynagan. Aktyorlik faoliyatidan tashqari, Park Seo-jun 2013-yildan 2015-yilgacha "Music Bank" nomli mashhur musiqiy ko‘ngilochar shouning olib boruvchisi sifatida xizmat qilgan. Uning so‘nggi ishi "Itaewon Class" (2020) nomli hit drama bo‘lib, hozirda "Dream" filmida suratga olish jarayonida.
