Undercover () is a 2021 South Korean television series directed by Song Hyun-wook and starring Ji Jin-hee, Kim Hyun-joo, Jung Man-sik, and Huh Joon-ho. Based on BBC drama series of the same name, it portrays the story of Han Jeong-hyeon (Ji Jin-hee), an agent at the National Intelligence Service, and a Human Rights lawyer, Choi Yeon-soo (Kim Hyun-joo). It aired on JTBC on Fridays and Saturdays at 23:00 (KST) from April 23 to June 12, 2021. The series is also available on streaming media TVING in South Korea. Kim Hyun-joo and Ji Jin-hee previously starred together in Miss Kim's Million Dollar Quest (2004) and I Have a Lover (2015).
The series ended on June 12, 2021 with viewer ratings of 5.2% nationwide and 6.1% in the metropolitan Seoul area. It is its own best ratings achieved during its run.
Synopsis Han Jeong-hyeon (Ji Jin-hee) is an agent of the National Intelligence Service (formerly the Agency for National Security Planning), who has been hiding his identity for the past 30 years as a father and owner of a bicycle repairing shop. Choi Yeon-soo (Kim Hyun-joo), his wife and a Human Rights lawyer, becomes the first Director of the Corruption Investigation Office (CIO). These characters are trying to uncover the truth, pitted against a huge force holding a top position. The series tests their relationship as husband and wife when the secret life of Jeong-hyeon comes to light.
Cast Main
Ji Jin-hee as Han Jeong-hyeon/Lee Suk-kyu Yeon Woo-jin as young Han Jeong-hyeon/Lee Suk-kyu Lee Seok-kyu is agent at the National Intelligence Service, formerly the Agency for National Security Planning. He was selected as the new agent of NIS when he was in a police academy. At first he was tasked to spy on Choi Yeon-soo under the pseudonym Han Jung-hyun in order to take down Kim Tae-yeol who was targeted by NIS, eventually both of them were in mutual love and got married. Years later, he lives a peaceful life with his family until one day an NIS agent named Do Yeong-geol comes back to his life and he is enlisted to take down his own wife, Choi Yeon-soo. Kim Hyun-joo as Choi Yeon-soo Han Sun-hwa as young Choi Yeon-soo A human right lawyer for more than 20 years. She passed her bar test at the age of 20. A righteous person, she consistently seeks justice for years to Hwang Jung-ho for 20 years after he was unjustly jailed. She joined a mass protest with Kim Tae-yeol, Kang Choong-mo and others to protest against the corrupted South Korean government who failed in protecting Hwang Jung-ho's innocence. In one of a chaotic protest against the government, she met Lee Suk-kyu, under the pseudonym Han Jung-hyun. Both of them ended in mutual love, without her knowing who Suk-kyu was, therefore getting married with him. Years later, because of her consistency in defending Hwang Jung-ho, she is promoted as the Corruption Investigation Office for High-Ranking Officials by the government. However due to this promotion, her husband is tasked to stop her. Jung Man-sik as Do Yeong-geol, Han Jeong-hyeon's former senior at the National Intelligence Service, formerly Agency for National Security Planning Park Doo-sik as young Do Yeong-geol Huh Joon-ho as Im Hyeong-rak, director at the National Intelligence Service
Supporting
Family of Han Jeong-hyeon and Choi Yeon-soo Yoo Seon-ho as Han Seung-goo Suk-kyu/Jeong-hyeon and Yeon-soo's autistic older son. He has an obsession with bicycles, therefore he helps his father operate their bicycle repair shop. Lee Jae-in as Han Seung-mi Suk-kyu/Jeong-hyeon and Yeon-soo younger daughter. A middle school student with maturity and intelligence beyond her age. She resembles her mother in everything Park Geun-hyung as Lee Man-ho Lee Suk-kyu's father and a war veteran, being proud of his son who serves the country like he did in the past. He believes that Suk-kyu went to the US when actually he has to live under name of Han Jeong-hyeon. His health deteriorates as he waits for his son to come back to him. Since Suk-kyu cannot reveal his identity, he spends time with his father in the hospital, posing as a social worker. Man-ho never realizes that his son is always with him even until his death.
National Intelligence Service
Kwon Hae-hyo as Oh Pil-jae Joo Suk-tae as Park Won-jong Han Go-eun as Kim Do-hee/Ko Yoon-joo, an undercover agent Park Gyeong-ree as young Ko Yoon-joo Choi Dae-chul as Chu Dong-woo Nam Sung-jin as Jo Dong-pal/Cha Min-ho
People around Choi Yeon-soo
Lee Han-wi as Bae Goo-taek Bae Yoon-kyung as Song Mi-seon Kim Soo-jin as Min Sang-ah, Choi Yeon-soo's best friend in college, and a political reporter for a major media house Han Bo-bae as young Min Sang-ah Choi Kwang-il as Hwang Jung-ho Im Ji-kyu as young Hwang Jung-ho 30 years ago, he was wrongly accused of a murder case and was sentenced to death. Therefore, while he was incarcerated on death row, Choi Yeon-soo is determined to seek justice for him as his lawyer. However his case hasn't got any shed of light for 30 years, even after his health severely deteriorated. Kim Hye-jin as Cha Min-ho's wife
Others
Lee Seung-joon as Kang Choong-mo, Choi Yeon-soo's good friend in college, now a high ranking government official working at the Blue House Hong Jin-gi as young Kang Choong-mo Kang Young-seok as Jung Cheol-hoon, a passionate detective Park Jin-woo as Detective Gu Son Jong-hak as Yoo Sang-dong Song Young-gyu as Kwak Moon-heum, Chief Prosecutor Cha Soon-bae as Song Moon-bae, Chief Editor at Daehan Jeil Daily
Special appearances Kim Young-dae as Kim Tae-yeol Kim Tae-yeol is a president of Hankuk University Student Council and leader of the mass protest against the government in 1991. Eventually he was accused as a communist and being targeted, then murdered by NIS. Jang Eui-don as police university instructor (ep. 1) Lim Jung-ok as Nurse Kim (ep. 1-2) Kim Dong-ho as Cheon Woo-jin, Im Hyeong-rak's subordinate (ep. 2 & 8) Jung In-gi as Kim Myung-jae, Secretary General of the Blue House Kim Kyung-min as Mr. Park Shim Hyung-tak as Lee Min-yool (ep. 3-4) A man who claims himself being intentionally beaten by Han Seung-goo so that Yeon-soo would be hindered to be the new chief of Corruption Investigation Office for High-Ranking Officials. Actually at that time, he abused his girlfriend and being caught by Seung-goo who said that a bigger person might not hit smaller person. Park Joo-hyung as drug gang boss (ep. 4) Kim Young-woong as subway control room staff (ep. 3) Lee Se-na as Kim Da-kyung (ep. 4) Ex-girlfriend of Lee Min-yool. Being guilty with Seung-goo's situation, she confessed about what happened between her, Min-yool and Seung-goo to Yeon-soo. Seo Joon Lim Hyung-guk Ahn Se-ho as Kim Kwang-cheol, an assistant to Do Yeong-geol
Production Development In April 2020, the remake of the British miniseries was announced.
Casting In July, JTBC confirmed that with the joining of Yeon Woo-jin and Han Sun-hwa the cast is completed: Ji Jin-hee, Kim Hyun-joo, Han Go-eun, Huh Joon-ho, Jung Man-sik, Kwon Hae-hyo, Park Geun-hyung, Lee Seung-joon, Lee Han-wi, Kim Soo-jin, Choi Dae-chul, Son Jong-hak, Song Young-gyu and Choi Kwang-il. This drama serves as a reunion project for Ji Jin-hee and Kim Hyun-joo after starring together in the 2015 drama I Have a Lover. It also reunites Ji Jin-hee and Huh Joon-ho who both starred in the 2019 drama Designated Survivor: 60 Days. Also reuniting in this series are Jung Man-sik, Choi Dae-chul and Choi Kwang-il who starred in the 2019 drama Vagabond.
Original soundtrack
Part 1
Part 2
Part 3
Part 4
Part 5
Part 6
Part 7
Special
Viewership
+ Average TV viewership ratings Original broadcast date Average audience share (Nielsen Korea) Nationwide Seoul1 April 23, 2021 3.471% 4.139% 2 April 24, 2021 3.785% 4.866% 3April 30, 2021 4 May 1, 2021 3.367% 4.283% 5May 7, 20212.885% 3.466% 6May 8, 2021 4.243% 5.115% 7May 14, 2021 3.041% 3.963% 8May 15, 2021 4.175% 5.555% 9May 21, 2021 3.777% 4.471% 10May 22, 2021 4.187% 4.939% 11May 28, 2021 3.768% 4.503% 12May 29, 2021 3.816% 4.696% 13June 4, 2021 3.922% 4.437% 14June 5, 2021 4.517% 5.279% 15June 11, 2021 3.916% 4.645% 16June 12, 2021 Average
References
External links
Undercover at Daum Undercover at Naver