On Joo-wan (born Song Jeong-sik on December 11, 1983) is a South Korean actor. He won widespread praise for his leading role in the film The Peter Pan Formula, and also appeared in My Mighty Princess, 12 Signs of Love, and The Five.[2][3]
^Cheon Yoon-hye (September 15, 2021). "끝내주는 연애', 붐X온주완X치타X초아X이은지 5MC 출격..10월 첫 방송[공식]" ['Awesome Romance', Boom X On Joo-wan X Cheetah X Choa X Lee Eun-ji 5MC sortie... First broadcast in October [Official]]. Herald POP (in Korean). Retrieved September 15, 2021 – via Naver.
^Jo Jun-won (October 28, 2021). "[TEN 포토] 온주완-장예원 '대중문화예술상 2MC" [[TEN Photo] On Joo-wan and Jang Ye-won 'Popular Culture and Art Award 2MC] (in Korean). Ten Asia. Retrieved October 28, 2021 – via Naver.
^Kim Hyeon-jeong (April 15, 2022). "5년만 돌아온 '모래시계', 민우혁·온주완·조형균 캐스팅 [공식입장]" [Hourglass' returns after 5 years, casting Min Woo-hyuk, On Joo-wan, and Jo Hyeong-gyun [Official Position]] (in Korean). Xports News. Retrieved April 15, 2022 – via Naver.