Mary Kills People (South Korean TV series)

Mary Kills People
Promotional poster
Hangul
메리 킬즈 피플
RRMeri kiljeu pipeul
MRMeri k'iljŭ p'ip'ŭl
Genre
Based onMary Kills People
by Tara Armstrong
Written byLee Soo-ya
Directed byPark Joon-woo
Starring
Country of originSouth Korea
Original languageKorean
No. of episodes12
Production
Executive producers
  • Sim Woo-jae
  • Jo Neung-yeon
  • Park Sang-jin
Producers
  • Kim Min-ah
  • Yoo Jae-hyuk
  • Shim Se-yoon
  • Lee Hyeong-gu
  • Shin Kyung-soo
Production companies
  • Mr. Romance Co.
  • Moving Pictures Co
  • Studio ANSEILLEN
Original release
NetworkMBC TV
ReleaseAugust 1 (2025-08-01) –
September 12, 2025 (2025-09-12)

Mary Kills People (Korean메리 킬즈 피플) is a 2025 South Korean television series written by Lee Soo-ya, directed by Park Joon-woo, and starring Lee Bo-young, Lee Min-ki, and Kang Ki-young. The series is a remake of the 2017 Canadian television series of the same name. It aired on MBC TV from August 1, to September 12, 2025, every Friday and Saturday at 22:00 (KST).[1][2]

Premise

The drama follows a respected doctor who secretly helps terminally ill patients end their lives, and a detective who begins investigating the mysterious cases, leading to a tense cat-and-mouse dynamic.[2]

Cast

Main

  • Lee Bo-young as Woo So-jung: An experienced emergency physician who secretly performs euthanasia for terminal patients for a price.[2][3]
  • Lee Min-ki as Jo Hyun-woo: A brain tumor patient nearing the end of his life.[2][4]
  • Kang Ki-young as Choi Dae-Hyun: A doctor who assists Woo So-jung with the euthanasia cases.[4]

Supporting

Guest appearances

Production

The series is directed by Park Joon-woo, who directed Taxi Driver 1 (2021) and Crash (2024), and written by Lee Soo-ae. It is produced by Mr. Romance Co., Moving Pictures and Studio ANSEILLEN. It is based on the 2017 Canadian drama of the same name.[6]

Release

It was scheduled to premiere on MBC TV in August 2025, and aired every Friday and Saturday at 22:00 (KST).[9]

Viewership

Mary Kills People : South Korea viewers per episode (thousands)
SeasonEpisode number
123456789101112
1609N/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/A
Source: Audience measurement performed nationwide by Nielsen Media Research.[10]
Average TV viewership ratings
Ep. Original broadcast date Average audience share
(Nielsen Korea)[10][11]
Nationwide Seoul
1 August 1, 2025 3.2% (15th) 3.4% (12th)
2 August 2, 2025 2.1% (28th) 2.3% (NR)
3 August 8, 2025 1.8% (28th)
4 August 9, 2025 1.9% (34th)
5 August 16, 2025 1.9% (33rd)
6 August 22, 2025 1.8% (28th)
7 August 23, 2025 1.6% (36th)
8 August 29, 2025 1.4% (36th)
9 August 30, 2025 1.4% (41st)
10 September 5, 2025 1.1% (36th)
11 September 6, 2025 1.1% (48th)
12 September 12, 2025 1.2% (33rd)
Average 1.7% [a]
  • In the table above, the blue numbers represent the lowest ratings and the red numbers represent the highest ratings.
  • N/A denotes that ratings were not known.
  • NR denotes that the drama did not rank in the top 20 daily programs on that date.

Notes

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

References

  1. ^ "★ Star-packed MBC 2025 drama lineup revealed". SPOTV NEWS (in Korean). 2025-01-08. Archived from the original on 2025-02-23. Retrieved 2025-01-09.
  2. ^ a b c d "Lee Bo-young, Lee Se-young, Jung Kyung-ho in MBC's 2025 lineup including 'Mary Kills People'". Ilgan Sports (in Korean). 2025-01-08. Retrieved 2025-01-09.
  3. ^ "[Exclusive] Lee Bo-young to star in 'Mary Kills People' remake". YTN Star (in Korean). 2024-08-09. Archived from the original on 2025-01-14. Retrieved 2025-01-09.
  4. ^ a b "Lee Min-ki, Kang Ki-young to join Lee Bo-young in 'Mary Kills People'". YTN Star (in Korean). 2024-08-09. Archived from the original on 2024-09-11. Retrieved 2025-01-09.
  5. ^ "[Exclusive] Kim Tae-woo joins the cast of 'Mary Kills People'". SPOTV NEWS (in Korean). 2024-11-07. Retrieved 2025-01-09.
  6. ^ a b c d e f g h Park, So-young (June 24, 2025). '모범택시' PD와 이보영x이민기 조합..조력 사망 돕는 '메리 킬즈 피플' ['Model Taxi' PD and Lee Bo-young x Lee Min-ki combination.. 'Mary Kills People' helping with assisted death]. OSEN (in Korean). Retrieved June 24, 2025 – via Naver.
  7. ^ "Kang Na-eon cast in drama 'Mary Kills People'". YTN Star (in Korean). 2024-10-25. Retrieved 2025-01-09.
  8. ^ "Lee Yi-kyung to make special appearance in 'Mary Kills People'". SPOTV NEWS (in Korean). 2024-10-31. Retrieved 2025-01-09.
  9. ^ Kim, Soo-jin (June 20, 2025). 이보영·이민기·강기영, 숨 막히는 몰입감 30초 [메리 킬즈 피플] [Lee Bo-young, Lee Min-ki, Kang Ki-young, 30 seconds of breathtaking immersion [Mary Kills People]]. star moneytoday (in Korean). Retrieved June 20, 2025 – via Naver.
  10. ^ a b Nielsen Korea ratings:
  11. ^ 메리 킬즈 피플 시청률 [Mary Kills People ratings] (in Korean). Nielsen Korea. Retrieved August 1, 2025.