Inspector Koo

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Inspector Koo
Promotional poster
Written bySung Cho-yi[3]
Directed byLee Jung-heum[3]
ComposerKim Tae-seong
Country of originSouth Korea
Original languageKorean
No. of episodes12[4]
Executive producerSung Min-seon
  • Park Seong-hye
  • Kim Young-bae
  • Park Seong-eun
  • Kim Ji-won
  • Park Woo-ram
  • Yoon Jae-soon
  • Hwang Min-sik
  • Han Seung-hoon
EditorShin Min-kyung
Running time70 minutes[5]
Production companies
Original release
ReleaseOctober 30 (2021-10-30) –
December 12, 2021 (2021-12-12)

Inspector Koo[7] (Korean구경이; RRGu Gyeong-i) is a 2021 South Korean television series starring Lee Young-ae in the title role, alongside Kim Hye-jun, Kim Hae-sook, Kwak Sun-young, Baek Sung-chul and Cho Hyun-chul. The series is about the battle of a former police officer against a female college student who is a serial killer.[3] It aired on JTBC from October 30 to December 12, 2021, every Saturday and Sunday at 22:30 (KST).[8] It is also available for streaming on Netflix in selected regions.[9]


It follows the story of Koo Kyung-yi (Lee Young-ae), whose world is all about games and alcohol, as she digs into a mysterious serial murder case completely disguised as an accident.[4][10]



  • Lee Young-ae as Koo Kyung-yi, an intelligent policewoman-turned-insurance investigator in her 40s who investigates a murder case.[1][2]
  • Kim Hye-jun as K / Song Yi-kyung (real name), a mysterious college student and a passionate amateur theater actress.[11][12]
  • Kim Hae-sook as Yong Sook (Director Yong), the director of a foundation.[12]
  • Kwak Sun-young as Na Je-hee, the head of NT Life Insurance's investigation team.[12]
  • Baek Sung-chul as Santa / Han Kwang-wook, Kyung-yi's assistant.[13][14]
  • Cho Hyun-chul as Oh Kyung-soo, an investigator at NT Life Insurance.[15]


People around K[edit]

People around Director Yong[edit]

  • Jung Seok-yong as Manager Kim
  • Choi Dae-chul as Heo Sung-tae, Director Yong's eldest son.
  • Park Ji-bin as Heo Hyun-tae, Director Yong's second son.[17]


Special appearances[edit]


  • Early working title of the series is Incredible Koo Kyung-yi (경이로운 구경이; Gyeong-iroun Gu Gyeong-i).[24]
  • The first script reading of the cast was held in May 2021, and filming started the next month.[12][25]


Inspector Koo : South Korea viewers per episode (thousands)
SeasonEpisode number
Source: Audience measurement performed nationwide by Nielsen Korea[26]
Average TV viewership ratings
Ep. Original broadcast date Average audience share
(Nielsen Korea)[26][27]
Nationwide Seoul
1 October 30, 2021 2.640% (7th) 2.666% (5th)
2 October 31, 2021 2.642% (N/A) 3.027% (7th)
3 November 6, 2021 2.305% (10th) 2.241% (10th)
4 November 7, 2021 2.747% (10th) 3.464% (5th)
5 November 13, 2021 1.809% (N/A) N/A
6 November 14, 2021 2.548% (8th) 3.036% (7th)
7 November 20, 2021 1.800% (N/A) 2.510% (7th)
8 November 21, 2021 2.185% (N/A) 2.717% (9th)
9 December 4, 2021 1.699% (N/A) N/A
10 December 5, 2021 1.808% (N/A)
11 December 11, 2021 1.515% (N/A)
12 December 12, 2021 2.312% (N/A) 2.864% (7th)
Average 2.168% [a]
  • In the table above, the blue numbers represent the lowest ratings and the red numbers represent the highest ratings.
  • N/A denotes that the rating/ranking is not known.
  • This series aired on a cable channel/pay TV which normally has a relatively smaller audience compared to free-to-air TV/public broadcasters (KBS, SBS, MBC and EBS).

Awards and nominations[edit]

Name of the award ceremony, year presented, category, nominee of the award, and the result of the nomination
Award ceremony Year Category Recipient Result Ref.
Baeksang Arts Awards 2022 Best New Actress – Television Kim Hye-jun Won [28]
Bechdel Day 2022 Bechdel's Choice 5 Inspector Koo Won [29]
Best Actress Lee Young-ae Won [30]
Producer Park Seong-hye Won


  1. ^ Due to some unpublished ratings, the exact average rating is unknown.


  1. ^ a b c Kang Joo-il. "이영애, 히키코모리 탐정으로 안방극장 복귀?". Naver (in Korean). Sports Kyunghyang. Retrieved July 31, 2021.
  2. ^ a b c d Yim Seung-hye. "Actor Lee Young-ae set for return to the small screen in new drama". Korea JoongAng Daily. Retrieved July 31, 2021.
  3. ^ a b c Kim Bo-young. "이영애 측 "'경이로운 구경이' 출연 제안 받아, 확정 NO" [공식]". Naver (in Korean). E Daily. Retrieved July 31, 2021.
  4. ^ a b "Lee Young-ae's Comeback "Sightseeing" and Ahn Eun-jin's "Only One Person" Confirmed for JTBC". HanCinema. News1 Korea. Retrieved July 31, 2021.
  5. ^ "Inspector Koo". JTBC Worldwide. Archived from the original on January 5, 2022. Retrieved January 5, 2022.
  6. ^ Jeong Hee-yeon. "'구경이' 첫 티저 공개…이영애 파격 변신". Naver (in Korean). Sports Dong-a. Retrieved September 17, 2021.
  7. ^ "Inspector Koo [Title in the URL]". JTBC (in Korean). Retrieved October 13, 2021.
  8. ^ Park Soo-in (October 8, 2021). "'구경이' 이영애 코믹 열연→'명탐정 코난' 남도일 목소리 깜짝 등장". Naver (in Korean). Newsen. Retrieved October 8, 2021.
  9. ^ Robinson, Jacob (October 5, 2021). "Netflix K-Drama 'Inspector Koo' Season 1: Coming to Netflix in October 2021". What's on Netflix. Retrieved October 18, 2021.
  10. ^ "Inspector Koo". JTBC Studios. Retrieved August 31, 2021.
  11. ^ Kim Jin-seok. "[단독]김혜준, 이영애 복귀작 '구경이' 주연 확정". Naver (in Korean). Ilgan Sports. Retrieved July 31, 2021.
  12. ^ a b c d Moon Ji-yeon. "이영애 4년 만의 컴백..'구경이' 10월 공개 앞두고 대본 리딩". Naver (in Korean). Sports Chosun. Retrieved September 16, 2021.
  13. ^ "Rookie Baek Sung-chul to Star in "Sightseeing"". HanCinema. Star News. Retrieved July 31, 2021.
  14. ^ Park Soo-in (July 20, 2021). "백성철 '구경이' 출연, 이영애 오른팔 된다 "영광스러운 마음"" [Baek Gyung-cheol's 'Goo-kyung' appearance, Lee Young-ae's right arm]. Naver (in Korean). Newsen. Retrieved July 20, 2021.
  15. ^ "조현철, JTBC '구경이' 출연 확정..이영애와 호흡[공식]". Naver (in Korean). Star New. Retrieved August 31, 2021.
  16. ^ "Lee Hong-nae to Star in Lee Young-ae's Comeback Drama "Sightseeing"". HanCinema. Newsen. Retrieved July 31, 2021.
  17. ^ Jin Hyang-hee (October 12, 2021). "박지빈, JTBC '구경이'로 안방 복귀…성인 연기자로 2막" [Park Ji-bin returns to the small screen with JTBC's 'Gu Kyung-i'... Act 2 as an adult actor] (in Korean). Maeil Business Newspaper. Retrieved October 12, 2021 – via Naver.
  18. ^ Park Soo-in (October 14, 2021). "슬의' 최영준 '구경이'로 안방극장 컴백, 이영애와 어떤 관계되나" (in Korean). Newsen. Retrieved October 14, 2021 – via Naver.
  19. ^ a b Im Chae-ryung (November 1, 2021). "[어게인TV] '구경이' 이영애, 박예영에게 따귀 맞아..."소원대로 죽어줬는데 왜?"" (in Korean). Herald Pop. Retrieved November 1, 2021 – via Naver.
  20. ^ Jang Woo-young (November 4, 2021). "박강섭, '구경이' 캐스팅…대호 役 3화부터 등장 [공식]" (in Korean). OSEN. Retrieved November 4, 2021 – via Naver.
  21. ^ Yoo Byung-cheol (November 8, 2021). "'구경이' 신윤섭, 김혜준의 또 다른 희생양 됐다" (in Korean). Korea Economy TV. Retrieved November 8, 2021 – via Naver.
  22. ^ Kim Ye-sol (November 20, 2021). "'구경이' 김수로, 폭탄테러에 분노… 경호실장 폭행에 유기견 죽이기 '악행'" ['Inspector Koo' Kim Soo-ro, furious over bombing... 'Evil deed' to kill abandoned dog in assault by head of security] (in Korean). OSEN. Retrieved November 20, 2021 – via Naver.
  23. ^ Yoo Jeong-min (November 22, 2021). "안신우, 김수로에 피해 입은 경호팀장으로 특별 출연...묵직한 존재감 ('구경이')" [Ahn Shin-woo, special appearance as the head of the security team who was damaged by Kim Soo-ro... A heavy presence ('Inspector Koo')] (in Korean). Ten Asia. Retrieved November 22, 2021 – via Naver.
  24. ^ Kim Jin-seok. "[단독]이영애였다… 드라마 '경이로운 구경이' 주인공". Naver (in Korean). Ilgan Sports. Retrieved July 31, 2021.
  25. ^ Lee Se-hyeon. "이영애 '구경이' 출연 [공식]". Naver (in Korean). Sports Kyunghyang. Retrieved July 31, 2021.
  26. ^ a b "Nielsen Korea Cable Daily -TOP 10 LIST FOR TV PROGRAMS". Nielsen Korea. Retrieved November 1, 2021.
  27. ^ "구경이: 시청률" [Inspector Koo: ratings]. Naver. Retrieved November 1, 2021.
  28. ^ Jeong Hee-yeon (May 6, 2022). "구교환-김혜준 TV 신인상 (백상예술대상)". Sports Dong-a (in Korean). Retrieved May 6, 2022 – via Naver.
  29. ^ Kim Seong-hyun (August 19, 2022). "서른, 아홉'·'구경이', 성평등 기여한 작품 '벡델데이' 선정 쾌거" [Thirty, Nine' · 'Gu Kyung-i', a splendid feat selected for 'Bechdel Day', a work that contributed to gender equality] (in Korean). YTN. Retrieved August 19, 2022 – via Naver.
  30. ^ Jeon Hyung-hwa (August 19, 2022). "구경이' 이영애, 시리즈 부문 벡델리안 선정..'옷소매..' 백델초이스5" [Gukyungi' Lee Young-ae, selected as Bechdelian in the series category..'Clothes..' Baekdel's Choice 5] (in Korean). MT Star News. Retrieved August 19, 2022 – via Naver.

External links[edit]