Jeon Sung-woo is a South Korean actor. He is best known for his roles in the television dramas Diary of a Prosecutor (2019), Designated Survivor: 60 Days (2019), The Fiery Priest (2019), Oh, the Mysterious (2017 - 2018), A Beautiful Mind (2016) and Six Flying Dragons (2015 - 2016).
Diary of a Prosecutor tells the story of overworked prosecutors’ daily lives, who are just like you and me, ordinary folks in the city of Jinyoung. Lee Sun-woong is a passionate prosecutor at Jinyoung District Public Prosecutor Office. Cha Myung-joo is a successful prosecutor in Seoul. Due to an incident, Myung-joo was asked to join the Jinyoung office.