Park Jin-young (October 18, 2021). "서현진X황인엽 '왜 오수재인가', 19일 대본리딩…첫 삽 뜬다" [Seo Hyun-jin X Hwang In-yeop 'Why Oh Soo-jae', reading the script on the 19th... The first shovel floats]. Joy News 24 (به کرهای). Retrieved October 18, 2021.
Jung Hee-yeon (December 3, 2021). "스캐' 수한이 이유진, 이미지나인컴즈 전속계약" [‘Scan’ Suhan and Lee Yoo-jin signed an exclusive contract with Image9coms] (به کرهای). Sports Donga. Retrieved December 3, 2021 – via Naver.
Kang Seon-ae (October 19, 2021). "서현진X황인엽X허준호, '왜 오수재인가' 출연 확정…내년 상반기 방송" [Seo Hyun-jin X Hwang In-yeop X Heo Jun-ho confirmed to appear in 'Why Oh Soo-jae'... broadcast in the first half of next year]. SBS (به کرهای). Naver. Retrieved October 30, 2021.
Kim No-eul (October 13, 2021). "이경영 측 "'왜 오수재인가' 출연 확정"(공식)" [Lee Kyung-young side "Confirmed to appear in 'Why Oh Soo-jae'" (official)]. Newsen (به کرهای). Naver. Retrieved October 30, 2021.
Ha Ji-won (October 20, 2021). "이주우, '왜 오수재인가' 캐스팅…서현진과 호흡 [공식입장]" [Lee Joo-woo cast in 'Why Su-jae Oh'... Breathing with Seo Hyun-jin [Official position]]. Xports News (به کرهای). Naver. Retrieved October 30, 2021.
Jeong Ga-young (October 28, 2021). "지승현, '왜 오수재인가' 출연…안하무인 악역 변신" [Ji Seung-hyun to appear in 'Why Oh Soo-jae'... selfish villain transformation]. Sportsworld (به کرهای). Naver. Retrieved October 28, 2021.
Ryu Jeong-min (October 27, 2021). "엄친아 외모 신예 박신우, '왜 오수재인가' 캐스팅…서현진-황인엽-허준호와 호흡" [Shin-Woo Park, a rookie in appearance, cast for 'Why Soo-Jae Oh'... Breathing with Seo Hyun-jin, Hwang In-yeop, and Heo Jun-ho]. Ten Asia (به کرهای). Naver. Retrieved October 30, 2021.
n.news.naver.com
Nam Jeong-hyun (October 19, 2021). "SBS '왜 오수재인가', 서현진·황인엽·허준호 캐스팅 확정" [SBS 'Why Sujae Oh' Casts Seo Hyun-jin, Hwang In-yeop, Heo Jun-ho Confirmed]. Newsis (به کرهای). Naver. Retrieved October 30, 2021.
