Strong Girl Nam-soon

Strong Girl Nam-soon is a 2023 South Korean television series starring Lee Yoo-mi in the title role, along with Kim Jung-eun, Kim Hae-sook, Ong Seong-wu, and Byeon Woo-seok. The series serves as a spin-off to the 2017 series Strong Girl Bong-soon. It aired on JTBC from October 7 to November 26, 2023, every Saturday and Sunday at 22:30 (KST). It is also available for streaming on Netflix in selected regions.

The series received audience acclaim, with its final episode recording 10.42% in nationwide ratings.

Synopsis
Gang Nam-soon (Lee Yoo-mi) disappeared in Mongolia as a child. As an adult, she travels to South Korea to search for her parents where she finds her mother Hwang Geum-joo (Kim Jung-eun) who is a billionaire businesswoman, and her grandmother Gil Joong-gan (Kim Hae-sook), in the Gangnam district. Eventually, Nam-soon, her mother, and grandmother become entangled in a drug case that Detective Gang Hee-sik (Ong Seong-wu) is investigating at a company named Doogo ran by Ryu Shi-oh (Byeon Woo-seok).

Main

 * Lee Yoo-mi as Gang Nam-soon / Khan Tsetseg
 * Ahn Tae-rin as Tsetseg / young Gang Nam-soon
 * Second cousin of Do Bong-soon. Like her cousin, she is born with superhuman strength which she inherited from her mother and grandmother.


 * Kim Jung-eun as Hwang Geum-joo
 * Mother of Gang Nam-soon who is a CEO of Gangnam pawnshop "Gold Blue". Like her daughter, she is born with superhuman strength.


 * Kim Hae-sook as Gil Joong-gan
 * Grandmother of Gang Nam-soon and mother of Hwang Geum-joo. Like her daughter and granddaughter, she is born with superhuman strength.


 * Ong Seong-wu as Gang Hee-sik
 * A lieutenant in the Gangnam Han River District Police Department who specializes in investigating drug cases.


 * Byeon Woo-seok as Ryu Shi-oh / Anton
 * CEO of the distribution and sales company "Doogo", and the main antagonist of the series

People around Gang Nam-soon

 * Lee Seung-joon as Gang Bong-go
 * Nam-soon's father and Geum-joo's melodramatic ex-husband who runs a photo studio after divorce.


 * Han Sang-jo as Gang Nam-in
 * Nam-soon's twin younger brother who is an owner of Tarot Cafe in the 1st floor of Geum-joo's building.


 * Kim Ki-doo as Hwang Geum-dong
 * Nam-soon's maternal uncle, Geum-joo's younger brother, and Joong-gan's son.


 * Joo Woo-jae as Ji Hyun-soo
 * A homeless person who becomes entangled with Nam-soon.


 * Park Gyeong-ree as Noh Seon-saeng (Teacher Noh)
 * A romantic homeless person who has no money but has a boyfriend in Hyun-soo.

Gangnam Hangang District Police Station

 * Young Tak as Oh Young-tak
 * A passionate detective who is Hee-sik's partner and senior in the drug investigation team.


 * Ryu Ha-seong as Jin Seon-gyu
 * The youngest member of the drug investigation team.


 * Song Jin-woo as Kim Seok-ho
 * A member of the drug investigation team who is a former bodyguard and taekwondo police officer.


 * Jeong Seung-gil as Ha Dong-seok
 * A former special forces officer and leader of the drug investigation team.


 * Kim Si-hyeon as Yeo Ji-hyeon
 * A police officer at district police station and Hee-sik's fellow.

People around Hwang Geum-joo

 * Choi Hee-jin as Ri Hwa-ja / Lee Myung-hee
 * A lost girl who resembles Nam-soon.


 * Oh Jeong-yeon as Jung Na-young
 * Geum-joo's trusted secretary.


 * Akira as Bread Song / Song Soo-hyun
 * A very sexy and handsome fraudster.


 * Lee Joong-ok as Kim Nam-gil
 * Geum-joo's subordinate at Gold Blue.

People around Gil Joong-gan

 * Jeong Bo-seok as Seo Jun-hee
 * Barista of tarot cafe run by Nam-in.


 * Im Ha-ryong as Hwang Guk-jong
 * Joong-gan's husband who becomes a monk.

People around Ryu Shi-oh

 * Yoon Seong-su as Secretary Yoon
 * Ryu Shi-oh's secretary with fluent English skills who suffers from gaslighting by Shi-oh.


 * Konstantin Vlasov as Kyle Alexandros
 * Ryu Shi-oh's bodyguard who is a Russian jiujitsu champion.

Others

 * Tserenbold Tsegmid as Khokho
 * A Mongolian shepherd who raised Nam-soon.


 * Batsumiya Batdorj as Joljaya
 * A Mongolian shepherd and Khokho's wife who raised Nam-soon alongside him.

Extended

 * Lee Chang-ho as Nam Hong-do
 * Bread Song's secretary.


 * Kang Gil-woo as Dr. Choi
 * A researcher at a drug factory.


 * Ha Dong-joon as chief accountant at Gold Blue
 * Park Hye-na as Madam Marie Kim
 * Lee Hee-jin as Assistant Manager Baek

Special appearances

 * Kim Won-hae as polearm seller (Ep. 1)
 * Park Bo-young as Do Bong-soon (Ep. 3)
 * Park Hyung-sik as Ahn Min-hyuk (Ep. 3)
 * Jeon Soo-kyeong as Gang Hee-sik's mother (Ep. 4, 16)
 * Lee Hong-nae as Bingbing (Ep. 16)
 * Oh Na-ra as Yoon-hee (Ep. 16)