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"조진웅 재활약부터 한효주 무자비한 변신까지..'독전2', 캐릭터스틸 공개" [From Jo Jin-woong's rehabilitation medication to Han Hyo-joo's ruthless transformation...'Solo War 2', character stills revealed]. Herald Pop (in Korean). Naver. October 19, 2023. Retrieved October 19, 2023.
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Yang Yu-jin (June 20, 2022). "넷플릭스, '독전2' 제작 확정…한효주·오승훈 합류 [공식]" [Netflix confirms production of 'Solo 2'... Hyo-Joo Han and Seung-Hoon Oh joined [Official]]. My Daily (in Korean). Naver. Retrieved August 27, 2023.
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