Ahn, Tae-hyun (May 15, 2024). 노정의·이채민·김재원·지혜원·이원정, 넷플릭스 '하이라키' 출연 확정 [Roh Jeong-eui, Lee Chae-min, Kim Jae-won, Ji Hye-won, and Lee Won-jung confirmed to appear in Netflix's 'Hierarchy'] (in Korean). News1. Archived from the original on May 16, 2024. Retrieved May 16, 2024 – via Naver.
Moon, Ji-yeon (March 24, 2023). [단독] '일타 스캔들' 김태정, '하이라키' 주연 합류..이채민과 초고속 재회 [[Exclusive] Kim Tae-jeong of 'One Hit Scandal' joins lead role in 'Hierarchy'...High-speed reunion with Lee Chae-min] (in Korean). Sports Chosun. Archived from the original on May 16, 2024. Retrieved May 16, 2024 – via Naver.
Ahn, Tae-hyun (February 10, 2024). [단독] '하이쿠키' 서범준 "10㎏ 증감량 반복...연기 간절함 있어" [한복인터뷰] [[Exclusive] 'Hi Cookie' Seo Beom-june "Repeatedly increasing and decreasing weight by 10 kg...I am desperate for acting" [Hanbok Interview]] (in Korean). News1. Archived from the original on May 16, 2024 – via Naver.
Ahn, Byung-gil (June 4, 2024). 권은빈, 넷플릭스 '하이라키' 출연 [Kwon Eun-bin, appears in Netflix's 'Hierarchy'] (in Korean). Sports Kyunghyang. Archived from the original on June 5, 2024. Retrieved June 5, 2024 – via Naver.
Son, Bong-suk (June 4, 2024). 배우 윤석호, 넷플릭스 '하이라키' 태호 역 출연 [Actor Yoon Seok-ho appears as Tae-ho in Netflix's 'Hierarchy'] (in Korean). Sports Kyunghyang. Archived from the original on June 7, 2024. Retrieved June 5, 2024 – via Naver.
Han, Hae-sun (June 5, 2024). 서준, '하이라키' 합류..노정의X이채민과 '치명적 호흡' [Seo Jun joins 'Hairaki'...'Fatal Breath' with Noh Jeong-eui and Lee Chae-min] (in Korean). Star News. Archived from the original on June 5, 2024. Retrieved June 5, 2024 – via Naver.
Park, Ro-sa (June 5, 2024). '웰컴투 삼달리' 김민철, 7일 공개 '하이라키' 출연 ['Welcome to Samdal-ri' Kim Min-chul appears in 'Hierarchy', released on the 7th] (in Korean). Maeil Gyeongje. Archived from the original on June 5, 2024. Retrieved June 5, 2024 – via Naver.
Yoo, Jun-ha (May 15, 2024). 노정의·이채민 등 출연... 넷플릭스 '하이라키' 제작·캐스팅 확정 [Roh Jeong-eui, Lee Chae-min, etc. appears... Netflix's 'Hierarchy' production and casting confirmed] (in Korean). Edaily [ko]. Archived from the original on May 16, 2024. Retrieved May 16, 2024 – via Naver.
Moon, Ji-yeon (March 8, 2023). [단독] 노정의, 이번엔 넷플릭스 여신..'하이라키' 주인공 [[Exclusive] Roh Jeong-eui, this time Netflix goddess...'Hierarchy' protagonist] (in Korean). Sports Chosun. Archived from the original on June 7, 2024. Retrieved May 16, 2024 – via Naver.
Moon, Ji-yeon (March 8, 2023). [단독] 이채민, '일타 스캔들' 찍고 주인공..'하이라키' 합류 [[Exclusive] Lee Chae-min, the main character after filming 'One Shot Scandal', joins 'Hierarchy'] (in Korean). Sports Chosun. Archived from the original on May 16, 2024. Retrieved May 16, 2024 – via Naver.
Jo, Eun-byeol (March 9, 2023). [단독] 지혜원도 하이틴로맨스 '하이라키' 합류...노정의·이채민과 연기 [[Exclusive] Ji Hye-won also joins hight teen romance 'Hierarchy'...Acting with Noh Jeong-ui and Lee Chae-min] (in Korean). Sports Seoul. Archived from the original on May 16, 2024. Retrieved May 16, 2024 – via Naver.
Lee, Geum-jun (June 7, 2024). 티아이오티 금준현, '하이라키'에 긴장 더한다...OST 주자 출격 [TIOT Kum Jun-hyeon adds tension to 'Hierarcy'... OST runners scramble] (in Korean). ETNews. Archived from the original on June 17, 2024. Retrieved June 17, 2024 – via Naver.
Yoon, Hyun-ji (May 16, 2024). 노정의→이채민, 재력이 서열이 되는 하이틴 스캔들...'하이라키' 6월 공개 [Roh Jeong-eui→Lee Chae-min, a high teen scandal where financial power becomes the priority...'Hierarchy' to be released in June] (in Korean). Xports News. Archived from the original on May 16, 2024. Retrieved May 16, 2024 – via Naver.
Park, Jung-sun (June 12, 2024). 노정의·이채민 주연 '하이라키'. 넷플릭스 비영어 TV 부문 2위 ['Hierarchy' starring Roh Jeong-eui and Lee Chae-min. 2nd place in Netflix non-English TV category] (in Korean). JTBC. Archived from the original on June 24, 2024. Retrieved June 24, 2024 – via Naver.
Lee, Joo-in (June 19, 2024). 노정의x이채민 일냈다...하이틴 드라마 '하이라키' 넷플릭스 비영어 부문 1위 [Roh Jeong-eui x Lee Chae-min worked hard...Teen drama 'Hierarchy' ranked 1st in the non-English language category on Netflix] (in Korean). Ilgan Sports. Archived from the original on June 24, 2024. Retrieved June 24, 2024 – via Naver.
Ahn, Tae-hyun (May 15, 2024). 노정의·이채민·김재원·지혜원·이원정, 넷플릭스 '하이라키' 출연 확정 [Roh Jeong-eui, Lee Chae-min, Kim Jae-won, Ji Hye-won, and Lee Won-jung confirmed to appear in Netflix's 'Hierarchy'] (in Korean). News1. Archived from the original on May 16, 2024. Retrieved May 16, 2024 – via Naver.
Moon, Ji-yeon (March 24, 2023). [단독] '일타 스캔들' 김태정, '하이라키' 주연 합류..이채민과 초고속 재회 [[Exclusive] Kim Tae-jeong of 'One Hit Scandal' joins lead role in 'Hierarchy'...High-speed reunion with Lee Chae-min] (in Korean). Sports Chosun. Archived from the original on May 16, 2024. Retrieved May 16, 2024 – via Naver.
Ahn, Tae-hyun (February 10, 2024). [단독] '하이쿠키' 서범준 "10㎏ 증감량 반복...연기 간절함 있어" [한복인터뷰] [[Exclusive] 'Hi Cookie' Seo Beom-june "Repeatedly increasing and decreasing weight by 10 kg...I am desperate for acting" [Hanbok Interview]] (in Korean). News1. Archived from the original on May 16, 2024 – via Naver.
Ahn, Byung-gil (June 4, 2024). 권은빈, 넷플릭스 '하이라키' 출연 [Kwon Eun-bin, appears in Netflix's 'Hierarchy'] (in Korean). Sports Kyunghyang. Archived from the original on June 5, 2024. Retrieved June 5, 2024 – via Naver.
Son, Bong-suk (June 4, 2024). 배우 윤석호, 넷플릭스 '하이라키' 태호 역 출연 [Actor Yoon Seok-ho appears as Tae-ho in Netflix's 'Hierarchy'] (in Korean). Sports Kyunghyang. Archived from the original on June 7, 2024. Retrieved June 5, 2024 – via Naver.
Han, Hae-sun (June 5, 2024). 서준, '하이라키' 합류..노정의X이채민과 '치명적 호흡' [Seo Jun joins 'Hairaki'...'Fatal Breath' with Noh Jeong-eui and Lee Chae-min] (in Korean). Star News. Archived from the original on June 5, 2024. Retrieved June 5, 2024 – via Naver.
Park, Ro-sa (June 5, 2024). '웰컴투 삼달리' 김민철, 7일 공개 '하이라키' 출연 ['Welcome to Samdal-ri' Kim Min-chul appears in 'Hierarchy', released on the 7th] (in Korean). Maeil Gyeongje. Archived from the original on June 5, 2024. Retrieved June 5, 2024 – via Naver.
Yoo, Jun-ha (May 15, 2024). 노정의·이채민 등 출연... 넷플릭스 '하이라키' 제작·캐스팅 확정 [Roh Jeong-eui, Lee Chae-min, etc. appears... Netflix's 'Hierarchy' production and casting confirmed] (in Korean). Edaily [ko]. Archived from the original on May 16, 2024. Retrieved May 16, 2024 – via Naver.
Moon, Ji-yeon (March 8, 2023). [단독] 노정의, 이번엔 넷플릭스 여신..'하이라키' 주인공 [[Exclusive] Roh Jeong-eui, this time Netflix goddess...'Hierarchy' protagonist] (in Korean). Sports Chosun. Archived from the original on June 7, 2024. Retrieved May 16, 2024 – via Naver.
Moon, Ji-yeon (March 8, 2023). [단독] 이채민, '일타 스캔들' 찍고 주인공..'하이라키' 합류 [[Exclusive] Lee Chae-min, the main character after filming 'One Shot Scandal', joins 'Hierarchy'] (in Korean). Sports Chosun. Archived from the original on May 16, 2024. Retrieved May 16, 2024 – via Naver.
Jo, Eun-byeol (March 9, 2023). [단독] 지혜원도 하이틴로맨스 '하이라키' 합류...노정의·이채민과 연기 [[Exclusive] Ji Hye-won also joins hight teen romance 'Hierarchy'...Acting with Noh Jeong-ui and Lee Chae-min] (in Korean). Sports Seoul. Archived from the original on May 16, 2024. Retrieved May 16, 2024 – via Naver.
Lee, Geum-jun (June 7, 2024). 티아이오티 금준현, '하이라키'에 긴장 더한다...OST 주자 출격 [TIOT Kum Jun-hyeon adds tension to 'Hierarcy'... OST runners scramble] (in Korean). ETNews. Archived from the original on June 17, 2024. Retrieved June 17, 2024 – via Naver.
Yoon, Hyun-ji (May 16, 2024). 노정의→이채민, 재력이 서열이 되는 하이틴 스캔들...'하이라키' 6월 공개 [Roh Jeong-eui→Lee Chae-min, a high teen scandal where financial power becomes the priority...'Hierarchy' to be released in June] (in Korean). Xports News. Archived from the original on May 16, 2024. Retrieved May 16, 2024 – via Naver.
Park, Jung-sun (June 12, 2024). 노정의·이채민 주연 '하이라키'. 넷플릭스 비영어 TV 부문 2위 ['Hierarchy' starring Roh Jeong-eui and Lee Chae-min. 2nd place in Netflix non-English TV category] (in Korean). JTBC. Archived from the original on June 24, 2024. Retrieved June 24, 2024 – via Naver.
Lee, Joo-in (June 19, 2024). 노정의x이채민 일냈다...하이틴 드라마 '하이라키' 넷플릭스 비영어 부문 1위 [Roh Jeong-eui x Lee Chae-min worked hard...Teen drama 'Hierarchy' ranked 1st in the non-English language category on Netflix] (in Korean). Ilgan Sports. Archived from the original on June 24, 2024. Retrieved June 24, 2024 – via Naver.
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Yoo, Jun-ha (May 15, 2024). 노정의·이채민 등 출연... 넷플릭스 '하이라키' 제작·캐스팅 확정 [Roh Jeong-eui, Lee Chae-min, etc. appears... Netflix's 'Hierarchy' production and casting confirmed] (in Korean). Edaily [ko]. Archived from the original on May 16, 2024. Retrieved May 16, 2024 – via Naver.
