Investigation Partners - Cast

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46 cast members

Name	Episodes	Known for
Jeong Jae-yeong Baek Beom Baek Beom See fewer	64	Castaway on the Moon(2009)
Jeong Yu-mi Eun Sol Eun Sol See fewer	64	Six Flying Dragons(2015)
Go Gyu-pil Jeong Seong Joo / Jang Sung Joo Jeong Seong Joo / Jang Sung Joo See fewer	64	Mother(2009)
Park Jun-gyu Kang Dong Sik Kang Dong Sik See fewer	64	Jakarta(2000)
Noh Susanna Han Soo Yeon Han Soo Yeon See fewer	63	Elephant in the Room(III)(2015)
Park Hee-jin Cheon Mi Ho Cheon Mi Ho See fewer	62	Marrying the Mafia 2: Enemy-in-Law(2005)
Song Young-kyu Ma Do Nam Ma Do Nam See fewer	44	A Hard Day(2014)
Joo Jin-mo Park Joong-ho Park Joong-ho See fewer	44	3-Iron(2004)
Ahn Suk-hwan No Han-shin No Han-shin See fewer	43	The Road Taken(2003)
Oh Man-seok Do Ji Han [Prosecutor] Do Ji Han [Prosecutor] See fewer	39	The Man of the Vineyard(2006)
Kim Young-woong Yang Soo Dong Yang Soo Dong See fewer	39	The Thieves(2012)
Lee Yi-kyeong Cha Soo-ho Cha Soo-ho See fewer	34	My Love from Another Star(2013)
Kim Ki-moo Moon Dae Kook / Detective Park Moon Dae Kook / Detective Park See fewer	32	12.12: The Day(2023)
Lee Chae-eun Cha Eun-yeong Cha Eun-yeong See fewer	32	A Company Man(2012)
Lee Do-guk Kal Dae-Cheol [Chief Prosecutor] / Kal Dae-Cheol Kal Dae-Cheol [Chief Prosecutor] / Kal Dae-Cheol See fewer	31	The Good Detective(2020)
Park Eun-seok Kang Hyun Kang Hyun See fewer	28	The Penthouse: War in Life(2020)
Kang Seung-hyun Sally Kim Sally Kim See fewer	26	Believer(2018)
No Min-woo Jang Chul [Doctor] Jang Chul [Doctor] See fewer	25	The Admiral: Roaring Currents(2014)
Stephanie Lee Stella Hwang Stella Hwang See fewer	24	Yong Pal(2015)
Hong Seo-jun Yoon Tae Joon [Lawyer Yoon] / Lawyer Yoon Yoon Tae Joon [Lawyer Yoon] / Lawyer Yoon See fewer	17	Exhuma(2024)
Seung-Hoon Baek Seo Jung Min / Seo Jung-min Seo Jung Min / Seo Jung-min See fewer	14	Ready for Start(2016)
Kim Do-hyun Oh Man Sang Oh Man Sang See fewer	12	Gangnam B-Side(2024)
Minha Kim Park Mi-young Park Mi-young See fewer	10	Pachinko(2022)
Lee Eon-jeong Han So Hee Han So Hee See fewer	9	Seobok(2021)
Yun Ji-min Lee Hye Sung Lee Hye Sung See fewer	8	Crash Landing on You(2019)
Kim Ho-jung Oh Hee Soo Oh Hee Soo See fewer	8	Revivre(2014)
Park Ji-il Pyo Yoo-sung Pyo Yoo-sung See fewer	8	Exhuma(2024)
Ko Se-won Kang Yong (Kang Hyeon's brother) Kang Yong (Kang Hyeon's brother) See fewer	6	Rude Miss Young-Ae(2007)
Kim Ji-sung Song Ji-soo Song Ji-soo See fewer	6	SF8(2020)
Kim Seung-hun Yeom Dae-cheol Yeom Dae-cheol See fewer	5	A Hard Day(2014)
Yoon Ji-won Cha Do-hee (Joo-hee's sister) Cha Do-hee (Joo-hee's sister) See fewer	5	The Game: Towards Zero(2020)
Kim Hye-ji An Ji-hye An Ji-hye See fewer	5	Cheese in the Trap(2016)
Sora Jung Han Mi Mo [Eun Sol's mother] Han Mi Mo [Eun Sol's mother] See fewer	4	Lost(2004)
Lee Su-Woong Kang Joon Seo Kang Joon Seo See fewer	4	Imitation(2021)
Ko Gun-Han Kim Joon-tae Kim Joon-tae See fewer	3	Kkondae Intern(2020)
Choi Young-woo Yeom Dae-sik Yeom Dae-sik See fewer	2	The Silent Sea(2021)
Ko In-beom Eun Gi-sang Eun Gi-sang See fewer	2	Mr. Queen(2020)
Kim Ja-yeong Joo Hee's mother Joo Hee's mother See fewer	2	Grid(2022)
Choi Kyu-hwan Jin Sang-cheol Jin Sang-cheol See fewer	2	The Scarlet Letter(2004)
Park Yong Director of the Department of Dementia Specialized hospital Director of the Department of Dementia Specialized hospital See fewer	1	Exhuma(2024)
Han So-hyun Choi Mi-jin Choi Mi-jin See fewer	1	My Man is Cupid(2023)
Park Mi-suk Kwon Hee-kyung Kwon Hee-kyung See fewer	1	A Moment to Remember(2004)
Jung Yoo-mi Jang-cheol's mother Jang-cheol's mother See fewer	1	When Flowers Bloom, I Think of the Moon(2021)
Song Hoon Broadcasting station producer Broadcasting station producer See fewer	1	The Wailing(2016)
Kang Suk-won National Scientific, Criminal & Investigation Laboratory Employee National Scientific, Criminal & Investigation Laboratory Employee See fewer	1	Mouse(2021)
Ok Ye-rin Han Seo-hyeon (Soo-yeon's daughter) Han Seo-hyeon (Soo-yeon's daughter) See fewer	1	The Fiery Priest(2019)