Jo Jung-suk (Korean: 조정석; born December 26, 1980) is a celebrated South Korean actor known for his dynamic presence across stage, film, and television. He began his career in musical theater, delivering standout performances in productions such as Spring Awakening, Hedwig and the Angry Inch, Grease, and The Harmonium in My Memory. His early theater work earned him recognition for his vocal talent and emotional range, establishing a strong foundation for his transition to screen acting.

Jo made his film debut in 2012 with the hit movie Architecture 101, where his comedic supporting role became a breakout performance. He quickly gained popularity for his versatility, taking on diverse roles in television dramas like The King 2 Hearts (2012), You Are the Best! (2013), Oh My Ghost (2015), Don’t Dare to Dream (2016), and the acclaimed medical series Hospital Playlist (2020–2021). His filmography includes critically and commercially successful films such as The Face Reader (2013), My Love, My Bride (2014), My Annoying Brother (2016), and the disaster-action film Exit (2019), showcasing his ability to blend humor, drama, and action with ease.