Koo Kyo-hwan debuted on screen in the 2008 short film “Boys,” and has been active in independent films such as “Jane,” (2017) and “Maggie,” (2019). He rose to prominence through director Yeon Sang-ho’s sequel to the blockbuster “Train to Busan,” named “Peninsula,” (2020), in which he portrays the main human antagonist who is even more fearsome than the blood-crazed zombies. Since then, the actor has starred in director Ryoo Seung-wan’s “Escape from Mogadishu," Netflix series “D.P.,” (both 2021) and most recently in Tving original series “Monstrous,” (2022).