What's Wrong with Secretary Kim cast​

What’s Wrong with Secretary Kim is a popular rom-com that premiered on June 6, 2018, on tvN. The show is based on a novel of the same name, written by Jung Kyung-yoon and published in 2013. It was also made into a webtoon which was published on KakaoPage in 2015. The show revolves around the lives of rich Vice Chairman Lee Young-joon and his secretary Kim Mi-so. When Kim Mi-so decides to quit, Lee Young-joon tries to do everything he can to make her stay because he doesn't know why she wants to leave the office.

The show is considered one of the most popular K-dramas of all time. Audiences loved the show because of its office romance storyline and the chemistry between the popular actors, Park Seo-joon and Park Min-young. The show is popular all over the world and is available to watch on Viki and Netflix. Let’s take a look at the cast of the K-drama What's Wrong with Secretary Kim.

Park Seo-joon as Lee Young-joon

Park Seo-joon plays the role of Lee Young-joon in the show. Lee Young-joon is a rich Vice Chairman and heir of Yumyung Group. He realizes that he is in love with his secretary Kim Mi-so, when she decides to quit her job. He makes every possible effort to keep her in the office. He has PTSD because he was kidnapped as a child, where he met Kim Mi-so for the first time.

Park Seo-joon is one of the most popular actors in South Korea. He was born on December 16, 1988, in Seoul, South Korea. He studied acting at the Seoul Institute of the Arts. He made his TV debut with Dream High 2 in 2012. He is best known for his role in What’s Wrong with Secretary Kim (2018), Hwarang (2016), Midnight Runners (2017), Fight for My Way (2017), She Was Pretty (2015), Itaewon Class (2020), etc.

Park Min-young as Kim Mi-so

Park Min-young plays the role of Kim Mi-so in the show. Kim Mi-so is an efficient secretary of the Vice Chairman of Yumyung Group, Lee Young-joon. She wants to quit her job because she wants to do something for herself in her life. Over time, she falls in love with Lee Young-joon as she realizes that he was the one who was kidnapped with her in childhood.

Park Min-young is one of the most popular actresses in South Korea. She was born on March 4, 1986, in Seoul, South Korea. She graduated with a degree in Theatre from Dongguk University in 2013. She made her acting debut with the TV show High Kick! In 2006. She is best known for her work in Sungkyunkwan Scandal (2010), City Hunter (2011), Healer (2014-2015), What's Wrong with Secretary Kim (2018), Marry My Husband (2024), etc.

Lee Tae-hwan as Lee Sung-hyun

Lee Tae-hwan plays the role of Lee Sung-hyun in the show. Lee Tae-hwan is the brother of Lee Young-joon and a famous author with the pen name Morpheus. He had feelings for Kim Mi-so. He felt guilty for leaving his brother alone, which led to his kidnapping, and started believing he was the one kidnapped as a child. He doesn't get along with his brother.

Lee Tae-hwan is a South Korean actor and singer, born on February 21, 1995, in Seoul, South Korea. He made his acting debut with the TV show After School: Lucky or Not in 2013. He is best known for his work in Pride and Prejudice (2014), W (2016), What's Wrong with Secretary Kim (2018), Royal Secret Agent (2020-2021), etc.

Kang Ki-young as Park Yoo-sik

Kang Ki-young plays the role of Park Yoo-sik in the show. Park Yoo-sik is the President of Yumyung Group and best friend of Lee Young-joon. He was second in command in the office after the Vice Chairman. He was in college with him and always gave him useful advice. He is divorced but still has feelings for his ex-wife, Choi Seo-jin.

Kang Ki-young is a popular South Korean actor, born on October 14, 1983, in Incheon, South Korea. He is popular for his work as a supporting character in many successful projects. He is best known for his work in Oh My Ghost (2015), Weightlifting Fairy Kim Bok-joo (2016), While You Were Sleeping (2017), What's Wrong with Secretary Kim (2018), On Your Wedding Day (2018), Extraordinary Attorney Woo (2022), etc.

Chansung as Go Gwi-nam

Changsung plays the role of Go Gwi-nam in the show. Go Gwi-nam is an employee of Yumyung Group who later transfers to the Vice-Chairman's office. He is one of the most admired employees, and many of the female staff have a crush on him because of his looks. He faked his background at the office because he was not as rich as he portrayed. He was a workaholic but later developed feelings for his neighbor and co-worker, Kim Ji-a.

Changsung is a popular singer and actor and is part of a popular K-pop boy band 2PM. He was born on February 11, 1990, in Seoul, South Korea. He made his acting debut with a minor role in High Kick! In 2006. He is best known for his work in Queen for Seven Days (2017), What's Wrong with Secretary Kim (2018), Touch Your Heart (2019), Bo-ra! Debora (2023), etc.

Hwang Bo-ra as Bong Se-ra

Hwang Bo-ra plays the role of Bong Se-ra in the show. Bong Se-ra is a section head on Chi-in's team and works in the Vice Chairman's office. She was portrayed as a quirky and kind person and had a crush on Go Gwi-nam. She later developed feelings for Yang Cheol who was secretary and chauffeur of the Vice-Chairman.

Hwang Bo-ra is a South Korean actress, born on October 2, 1983, in Busan, South Korea. She is known for playing supporting characters in many successful K-dramas. She is best known for her work in What's Wrong with Secretary Kim (2018), Vagabond (2019), Crash Course in Romance (2023), etc.