↑ ۱٫۰۱٫۱۱٫۲Lee Ho-youn (May 6, 2020). "[단독] 정성일, 드라마 '산후조리원' 출연…윤박·엄지원·박하선 호흡" [[Exclusive] Jung Seong-il, appeared in the drama 'Postpartum Care Center'... Yoon Park, Uhm Ji-won, Park Ha-sun Breathing] (به کرهای). MBC Entertainment. Retrieved January 5, 2023 – via Naver.
↑ ۲٫۰۲٫۱Choi Yun-na (September 8, 2022). "정성일, 영화 '늑대사냥' 출연…"김홍선 감독님과 세 번째 호흡"" [Jung Sung-il to appear in the movie 'Wolf Hunt'... “The third breath with director Kim Hong-sun”] (به کرهای). Sports Donga. Retrieved September 8, 2022 – via Naver.
↑Jeon Yoon-hee (May 2, 2015). "[전주국제영화제] 정성일 "세영 역, 진심으로 이해하려 노력"" [[Jeonju International Film Festival] Jeong Seong-il "I sincerely try to understand the role of Se-young] (به کرهای). Herald Economy. Retrieved January 5, 2023 – via Naver.
↑Son Bong-seok (December 7, 2020). "배우 정성일, 키이스트와 전속계약" [Actor Jung Sung-il, exclusive contract with Key East] (به کرهای). Sports Kyunghyang. Retrieved January 5, 2023 – via Naver.
↑Choi Yoon-na (October 30, 2018). "[공식] 정성일, '이몽' 캐스팅…유지태X이요원과 호흡" [[Official] Jung Seong-il, casting for 'Different Dreams'... Working with Yu Ji-tae X Lee Yo-won] (به کرهای). Sports Donga. Retrieved January 5, 2023 – via Naver.
↑Park Ah-reum (December 24, 2019). "정성일, '99억의 여자' 전격 합류 "조여정 김강우와 호흡"" [Jung Sung-il joins ‘Woman of 9.9 Billion’ “Jo Yeo-jeong and Kim Kang-woo”] (به کرهای). Newsen. Retrieved January 5, 2023 – via Naver.
↑Kim Myung-mi (August 5, 2020). "정성일 '비밀의 숲2' 출연확정, 윤세아 조력자 활약(공식입장)" [Jung Sung-il confirmed to appear in 'Secret Forest 2', Yoon Se-ah played an active part (official position)] (به کرهای). Newsen. Retrieved January 5, 2023 – via Naver.
↑Yoo Byung-cheol (January 7, 2022). "정성일, tvN '배드 앤 크레이지' 출연…신 스틸러 활약 기대" [Jung Sung-il to appear in tvN's 'Bad and Crazy'... New stealer action expected] (به کرهای). Korea Economy TV. Retrieved January 5, 2023 – via Naver.
↑Han Hae-seon (May 26, 2021). "정성일, '꽃 피면 달 생각하고' 캐스팅.. 조선 王 변신" [Jung Sung-il cast in 'When Flowers Bloom, Think of the Moon'... Transformation into Joseon King]. Naver (به کرهای). Star News. Retrieved January 5, 2023.
↑Park Ah-reum (April 18, 2022). 우리들의 블루스’ 신민아 남편 정성일, 짧은 등장 불구 강렬 [Our Blues' Shin Min-ah's husband Jung Sung-il, intense despite his brief appearance] (به کرهای). Newsen. Retrieved January 5, 2023 – via Naver.
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