Psychopath Diary Who is the Real Killer (Season 1, Episode 6)
TV Episode | 80 min | Comedy, Crime, Mystery

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Psychopath Diary

Who is the Real Killer (Season 1, Episode 6)

TV Episode | 80 min | Comedy, Crime, Mystery

Dong Sik wants to stop Bo Kyung from looking into the murder case happened at Goseong Chemical, so he follows her and offers help. Dong Sik gets to know Nergui by chance when he sneaks into Goseong Chemical. Nergui asks for Dong Sik's help...See moreDong Sik wants to stop Bo Kyung from looking into the murder case happened at Goseong Chemical, so he follows her and offers help. Dong Sik gets to know Nergui by chance when he sneaks into Goseong Chemical. Nergui asks for Dong Sik's help and tells him that Jin Goo doesn't kill himself. Meanwhile, an open investigation begins after a dead body is found in Goseong Chemical, and In Woo finds out that Dong Sik and Bo Kyung actually know each other. Written by Viu See less

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Cast	+ Add Cast
21 cast members

Name	Known for
Yoon Shi-Yoon Yook Dong Sik Yook Dong Sik See fewer	Baker King, Kim Tak Goo (2010)
Jung In-sun Shim Bo-kyung Shim Bo-kyung See fewer	Memories of Murder (2003)
Park Sung-hoon Seo In-woo Seo In-woo See fewer	Into the Ring (2020)
Choi Dae-chul Gong Chan-seok Gong Chan-seok See fewer	Vagabond (2019)
Kim Gi-du Park Jae-ho Park Jae-ho See fewer	Guardian: The Lonely and Great God (2016)
Lee Hae-young Ryu Jae Joon Ryu Jae Joon See fewer	Kill Boksoon (2023)
Lee Han-wi Yook Jong-cheol Yook Jong-cheol See fewer	Joint Security Area (2000)
So Hee-jung Na In-hye (Dong-sik's stepmother) Na In-hye (Dong-sik's stepmother) See fewer	#Alive (2020)
Hwang Hyo-eun Yook Ji Yeon (Dong Sik's sister) (as Hyo-eun Hwang) Yook Ji Yeon (Dong Sik's sister) (as Hyo-eun Hwang) See fewer	My Darling FBI (2008)
Koo Ja-keon Bully (as Koo Ja-Keon) Bully (as Koo Ja-Keon) See fewer	Remember (2022)
Park Jeong-hak Seo Chung-hyeon (In-woo's father) Seo Chung-hyeon (In-woo's father) See fewer	Bedevilled (2010)
Lee Kan-hee Lee Sook-yeon (Bo-kyeong's mother) Lee Sook-yeon (Bo-kyeong's mother) See fewer	Sympathy for Mr. Vengeance (2002)
Kyul Kim Jo Yong Gu Jo Yong Gu See fewer	Psychopath Diary (2019)
Lee Min-ji Oh Mi-joo Oh Mi-joo See fewer	End of Animal (2010)
Kim Myung-soo Shim Seok Gu (Bo Kyung's father) (as Myoeng-su Kim) Shim Seok Gu (Bo Kyung's father) (as Myoeng-su Kim) See fewer	Joint Security Area (2000)
Jo Si-nae Han Jung Ah (as Si-nae Jo) Han Jung Ah (as Si-nae Jo) See fewer	Squid Game (2021)
Han Soo-hyun Kim Mu Seok (as Han Soo Hyun) Kim Mu Seok (as Han Soo Hyun) See fewer	The Outlaws (2017)
Hwang Sun-hee Jo Yoo-jin Jo Yoo-jin See fewer	City Hunter (2011)
Heo Sung-tae Jang Chil Seong Jang Chil Seong See fewer	Squid Game (2021)
Choi Sung-won Heo Taek Soo (as Sung-won Choi) Heo Taek Soo (as Sung-won Choi) See fewer	My ID Is Gangnam Beauty (2018)
Choi Tae-hwan Sin Seok-hyeon Sin Seok-hyeon See fewer	Secret Royal Inspector Joy (2021)