Duel The Undercover (Season 1, Episode 13)
TV-14
TV Episode | 62 min | Crime, Sci-Fi, Thriller

Duel

The Undercover (Season 1, Episode 13)

TV-14

TV Episode | 62 min | Crime, Sci-Fi, Thriller

Prosecutor Choi decides on a risky method to collect evidence against San Young Pharmaceutical Company. Sung Joon and Sung Hoon find out more about Dr. Han.

Director

Jong Jae Lee (as Lee Jong-Jae)

Writer

Yoon-joo Kim (screenwriter)

See all filmmakers & crew (2)

Edit Released

Updated Jul 15, 2017

Release date

Jul 15, 2017 (South Korea)

Contacts

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Cast	+ Add Cast
11 cast members

Name	Known for
Jeong Jae-yeong Jang Deuk Cheon (as Jae-yeong Jeong) Jang Deuk Cheon (as Jae-yeong Jeong) See fewer	Castaway on the Moon (2009)
Kim Jeong-eun Choi Jo-hye Choi Jo-hye See fewer	Lovers in Paris (2004)
Yang Se-jong Sung Joon / Sung Hoon Sung Joon / Sung Hoon See fewer	Temperature of Love (2017)
Seo Eun-su Ryu Mi Rae (as Eun-Su Seo) Ryu Mi Rae (as Eun-Su Seo) See fewer	My Golden Life (2017)
Jung Doo-kyum Woo Byeong-cheon (Chief public prosecutor) Woo Byeong-cheon (Chief public prosecutor) See fewer	Always (2011)
Kim Gi-du Kim Ik-hong Kim Ik-hong See fewer	Guardian: The Lonely and Great God (2016)
Kim Ji-Yu Ahn Hye-joo Ahn Hye-joo See fewer	Alice (2020)
Yoon Kyung-ho Lee Hyeong-sik Lee Hyeong-sik See fewer	Okja (2017)
Lee Sung-wook Koo Bon Seok Koo Bon Seok See fewer	The Silent Sea (2021)
Choi Woong Na Soo Ho Na Soo Ho See fewer	Descendants of the Sun (2016)
Lee Ye-Eun Na Song Yi Na Song Yi See fewer	Duel (2017)