What's Wrong with Secretary Kim (Korean: 김비서가 왜 그럴까 / gimbiseoga wae geuleolkka) is a 2018 South Korean television series featuring actors Park Seo-joon and Park Min-young. The show is adapted from a novel with the same name written by Jung Kyung-yoon, which was first published in 2013. The novel was later turned into a webtoon comic by KakaoPage in 2015. The series was broadcast on tvN from June 6 to July 26, 2018, and aired on Wednesdays and Thursdays for 16 episodes.
Synopsis
Lee Young-joon (Park Seo-joon) is the vice-chairman of a large company. His life changes when his very skilled secretary, Kim Mi-so (Park Min-young), tells him she will leave her job after working there for nine years. Young-joon tries to convince Mi-so to stay in her position.
Cast
- Park Seo-joon plays the role of Lee Young-joon and Lee Sung-hyeon. Moon Woo-jin plays the role of 9-year-old Lee Sung-hyeon.
- Park Min-young plays the role of Kim Mi-so. Kim Ji-yoo plays the role of 5-year-old Kim Mi-so.
- Lee Tae-hwan plays the role of Lee Sung-yeon and Morpheus. Bae Gang-yoo plays the role of 11-year-old Lee Sung-yeon.
- Kim Byeong-ok plays the role of Chairman Lee. Go Se-won plays the role of young Chairman Lee (Ep. 11–12).
- Kim Hye-ok plays the role of Madame Choi. Lee Soo-kyung plays the role of young Madame Choi (Ep. 11–12).
- Baek Eun-hye plays the role of Kim Pil-nam.
- Heo Sun-mi plays the role of Kim Mal-hee.
- Jo Deok-hyun plays the role of Kim Young-man.
- Kang Ki-young plays the role of Park Yoo-sik.
- Hwang Chan-sung plays the role of Go Gwi-nam.
- Pyo Ye-jin plays the role of Kim Ji-a.
- Kim Ye-won plays the role of Sul Ma-eum.
- Hwang Bo-ra plays the role of Bong Se-ra.
- Lee Yoo-joon plays the role of Jung Chi-in.
- Lee Jung-min plays the role of Lee Young-ok.
- Kim Jung-woon plays the role of Park Joon-hwan.
- Kang Hong-seok plays the role of Yang Cheol.
- Bae Hyun-sung plays the role of Bae Yun-sung, an intern staff.
- Hong Ji-yoon plays the role of Oh Ji-ran, a famous model and onetime girlfriend of Young-joon (Ep. 1–3 & 16).
- Choi Na-mu plays the role of a woman at the Spanish Embassy party (Ep. 1).
- Shin Joo-yeon plays the role of Kim Mi-so's friend (Ep. 1).
- Park Byung-eun plays the role of Park Byung-eun, Kim Mi-so's blind date (Ep. 3).
- Lee Do-yeon plays the role of a reporter who interviewed Morpheus (Ep. 4).
- Lee Chang plays the role of the center director of the Art Center (Ep. 4).
- Choi Hee plays the role of the host of the book concert (Ep. 8).
- Jung Soo-young plays the role of an agency staff (Ep. 9).
- Mihal Ashminov plays the role of a chef at a restaurant (Ep. 9).
- Seo Hyo-rim plays the role of Choi Seo-jin, Park Yoo-sik's ex-wife (Ep. 9, 11–12 & 16).
- Lee Min-ki plays the role of young Mi-so's father (Ep. 10).
- Jung So-min plays the role of young Mi-so's mother (Ep. 10).
- Choi Hyun-woo plays the role of Magician (Ep. 10).
- Son Seong-yoon plays the role of the kidnapper (Ep. 11–12).
- Gil Hae-yeon plays the role of the woman at the reserved parking space (Ep. 12).
- Jung Woo-suk plays the role of Psychiatrist (Ep. 12).
- Park Na-rae plays the role of the lewd devil (voice) (Ep. 13).
- Jung Yu-mi plays the role of Jung Yu-mi, a childhood friend
Production
The visual style of the series' main characters was influenced by the comic version, including their clothing and the use of the comic's cover image for the drama's promotional photos.
The first script reading took place on April 10, 2018, at Studio Dragon in Sangam-dong, Seoul, South Korea.
Maserati Korea supplied cars for Lee Young-joon, Lee Sung-yeon, and Yumyong Group. The show features several Maserati models: a Ghibli driven by Yoo-sik, a Levante driven by Sung-yeon, a GranCabrio driven by Young-joon, and a Quattroporte driven by Young-joon.
The drama's press conference occurred on May 30, 2018, at Times Square in Seoul, with the main cast and crew present.
Adaptations
In November 2023, ABS-CBN announced a Philippine version of the series. It started showing on March 18, 2024, on Viu.
Thailand is making a version called Dear My Secretary and planned to start showing it in 2025.
China is creating a version titled My Dear Secretary and planned to release it in 2025.
Indonesia made a version called What's Up With Secretary Kim and began showing it on November 8, 2025.