Get ready for the premiere of “Mary Kills People,” a Korean medical-crime-thriller drama starring Lee Bo-young, Lee Min-ki, and Kang Ki-young. This adaptation will deliver gripping and thought-provoking stories in each episode. Explore the details of the upcoming series below!
“Marry Kills People” Korean Drama (2025)

The new Korean drama “Mary Kills People” (메리 킬즈 피플) is the latest collaboration of Director Park Joon-ho and writer Lee Soo-ya. It dives into deep human questions about life, the ethics of assisted dying, and emotional complexity.
Synopsis
“Mary Kills People” follows a respected emergency room doctor, Woo So-jung. With Choi Dae-hyun, another doctor carrying his own burdens, she secretly performs euthanasia to help terminally ill patients end their lives with dignity.
A charming detective, Cho Hyeon-woo, begins investigating mysterious deaths, which leads to her involvement in an illegal act. This event sets a tense cat-and-mouse dynamic between them.
“Mary Kills People” Cast and Characters

Main Cast
- Lee Bo-young as Woo So-jung: An experienced ER doctor who carries emotional scars. She justifies euthanasia work as compassionate. Her nuanced performance shows vulnerability and moral struggle.
- Lee Min-ki as Cho Hyun-woo: A detective with a terminal brain tumor whose arrival disrupts So-jung’s secret life. His character adds suspense to the story as he knows more than he lets on. Additionally, he could be a patient or harbor darker intentions.
- Kang Ki-young as Choi Dae-hyun: A former plastic surgeon who assists Woo So-jung in her euthanasia work, serving as her discreet and morally conflicted partner.
Supporting Cast
- Kim Tae-woo as Ahn Tae-sung: Chief of the National Police Station investigating the euthanasia cases.
- Baek Hyun-jin as Go Kwang-cheol: A mysterious businessman with concealed secrets connected to the underground world of euthanasia.
- Kwon Hye-hyo as Yang Shin-bo: Hospital director with a distinct personality.
- Seo Young-hee as Ryu Yi-soo: A competent lawyer and Woo So-jung’s neighbor who may know more than she reveals.
- Yoon Ga-ae as Nurse Choi Ye-na; Shim So-young as head nurse; Kang Na-eon as Yu-mi, a high school student; and others round out the hospital and community environment.
Fun Facts & Reasons to Watch
- “Mary Kills People” is a remake of a critically acclaimed Canadian drama series “Mary Kills People” in 2017.
- The story brings a compelling ethical drama and gripping suspense, which tackles the controversial and rarely addressed topic of euthanasia with sensitivity and depth. It also explores fundamental questions about life. The show challenges viewers to consider the value of life, dignity, and death through challenging cases. Additionally, the investigative thriller element paired with medical ethics creates continuous narrative tension.
- Director Park Joon-woo directed the show. He is known for the popular series “Taxi Driver” and “Crash”. This drama also marks his return to the crime-medical genre, following his directorial debut with “Doctor Detective” in 2019.
- The production stars South Korean well-known actors such as Lee Bo-young, known for her elegant roles in K-dramas “Mother,” “Mine,” and “Agency.” Lee Min-ki, known for his roles in “Crash,” “The Beauty Inside,” and “My Liberation Notes. And Kang Ki-young captivated audiences for his roles in “Tunnel,” “Extraordinary Attorney Woo,” and “Queen of Divorce.”
- The Korean drama “Mary Kills People” reunites director Park Joon-woo and Lee Min-ki following their collaboration on “Crash.”
- Actor Lee Yi Kyung will make a cameo performance in this series.
“Mary Kills People” Premiere Date
“Mary Kills People” will premiere on August 1, 2025, on MBC. The 12-episode drama takes over MBC’s Friday-Saturday time slot right after “Oh My Guest Clients,” promising a fresh kind of weekend suspense.
Final Thoughts
“Mary Kills People” isn’t just another crime show. While it’s a remake of a bold Canadian series, it brings a uniquely Korean perspective—raw, emotional, and beautifully direct. Get ready for a story that sinks its hooks deep and won’t let go.
So, save the date and watch the teaser trailers for series below.
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