Psychopath Diary (Korean: 싸이코패스 다이어리) is a 2019 South Korean television series starring Yoon Shi-yoon, Jung In-sun and Park Sung-hoon. It aired on tvN from November 20, 2019 to January 9, 2020.
|Revised Romanization||Ssaikopaeseu Daieori|
|Created by||Studio Dragon|
|Directed by||Lee Jong-jae|
|Country of origin||South Korea|
|No. of episodes||16|
|Running time||60 minutes|
|Picture format||1080i (HDTV)|
|Audio format||Dolby Digital|
|Original release||November 20, 2019 –|
January 9, 2020
Yook Dong-sik (Yoon Shi-yoon), an analyst who works at Daehan Securities, has a timid personality and he can't even get angry at the people who look down upon him. One day, shortly after failing on his attempt of suicide, he witnesses a murder. He unintentionally picks up a diary belonging to murderer, on which was written the log of his murders. He flees with the diary, but he is accidentally hit by Police Officer Shim Bo-kyung's (Jung In-sun) patrol car which causes him to suffer from retrograde amnesia. Due to the diary in his possession, Dong-sik mistakenly believes he is a psychopath. Since that moment, his behavior started to change. Bo-kyung, who got involved with Dong-sik, decides to catch the serial killer.
Meanwhile, Seo In-woo (Park Sung-hoon), the director and son of the chairman of Daehan Securities where Dong-sik works, turns out to be the heartless psychopath serial killer. He loses his diary when his 6th victim, a homeless old man tossed his diary away. He feels insecure ever since.
- Yoon Shi-yoon as Yook Dong-sik, a timid and pushover man who works as a clerk at Daehan Securities. His weak personality begins to change when he perceive himself as a killer.
- Jung In-sun as Shim Bo-kyung, an officer in a patrol station.
- Park Sung-hoon as Seo In-woo, the real psychopathic serial killer who is also the director of Daehan Securities where Dong-sik works at.
People around Yook Dong-sikEdit
- Lee Han-wi as Yook Jong-chul, Dong-sik's father.
- Hwang Geum-byul as Yook Ji-yeon, Dong-sik's older sister.
- Kim Gyul as Jo Yong-gu, Dong-sik's brother-in-law.
- Jung Su-bin as Yook Dong-chan, Dong-sik's younger half-brother.
- So Hee-jung as Na In-hye, Dong-sik's step-mother, Dong-chan's mother.
- Heo Sung-tae as Jang Chil-sung, a gangster who lives at Unit 708. He later addresses Dong-sik as his 'Big Boss' after mistakenly believes him to be a serial killer.
People around Shim Bo-kyungEdit
- Choi Sung-won as Heo Taek-soo, Bo-kyung partner.
- Kim Myung-soo as Shim Seok-gu, Bo-kyung's father who is a former investigator police.
- Lee Kan-hee as Lee Suk-yeon, Bo-kyung's mother.
- Lee Hae-young as Officer Ryu Jae-joon
People around Seo In-wooEdit
- Park Jung-hak as Seo Chung-hyeon, In-woo's father who is the chairman of Daehan Securities.
- Yoo Bi as Seo Ji-hun, In-woo's step-brother and managing director of Daehan Securities.
- Yoon Ye-hee as Kim Eun-shil, Chung-hyeon's wife and Ji-hun's mother.
- Kim Hye-na as Seo Ji-eun, In-woo's step-sister.
- Lim Il-gyu as Kim Chan-il, In-woo's brother-in-law.
- Han Soo-hyun as Kim Mu-seok, former detective who now works for In-woo.
People at Daehan SecuritiesEdit
- Choi Dae-chul as Gong Chan-seok, the manager of Team 3 and Dong-sik's boss who is selfish and rude.
- Kim Ki-doo as Park Jae-ho, Dong-shik's cunning team member who claims to be his best friend.
- Jo Shi-nae as Han Jung-ah, Dong-sik's colleague.
- Lee Min-ji as Oh Min-joo
- Choi Tae-hwan as Shin Seok-hyun
- Hwang Sun-hee as Jo Yoo-jin
- Gu Ja-geon as a bully
- Jung Hae-kyun as Kim Myung-gook, a homeless man. (Ep. 1–2)
- Yura as a girl with a dog in park (Ep. 2)
- Nam Jung-hee as murder victim (Ep. 2)
- Jo Yoon Ho as Chil-sung's junior (Ep. 2)
- Han Ji-eun as a woman with a big guy (Ep. 2)
- Yoon Ji-on as Joo Young-min (Ep. 4–5)
- Lee Hyun-woong as Oh Myung-dal (Ep. 12–13, 16)
The first script reading was held in August 2019 in Sangam-dong, Seoul.
|Psychopath Diary OST|
|Soundtrack album by |
|Label||Stone Music Entertainment|
|1.||"Wanna be Bad" (슬퍼하고싶어)||Woosung (The Rose)||2:59|
|2.||"Wanna be Bad" (Inst.)||2:59|
|1.||"Stay the same" (동일하게)||Cha Yeo-wool||3:26|
|2.||"Stay the same" (Inst.)||3:26|
|1.||"Psychopath Diary" (Opening Title)||Um Ki Yup, Um Ki Hyun, Lee Sun Gyeol||2:54|
|2.||"Dongshik's Polka"||Um Ki Yup, Um Ki Hyun, Lee Sun Gyeol||2:35|
|3.||"Red Diary"||Um Ki Yup, Park Min Ji||2:40|
|4.||"Suspense"||Kim Hee Jin||1:40|
|5.||"Dongshik's related memories"||Um Ki Yup, Um Ki Hyun, Park Min Ji||3:46|
|6.||"Do I look like a pushover"||Um Ki Yup, Um Ki Hyun||3:10|
|7.||"I'm a Psycho"||FaraEffect||3:06|
Graphs are temporarily unavailable due to technical issues.
|Ep.||Original broadcast date||Average audience share|
|1||November 20, 2019||1.766%||1.730%|
|2||November 21, 2019||1.463%||1.361%|
|3||November 27, 2019||1.928%||2.057%|
|4||November 28, 2019||2.206%||2.174%|
|5||December 4, 2019||2.368%||2.507%|
|6||December 5, 2019||2.212%||2.346%|
|7||December 11, 2019||2.424%||2.866%|
|8||December 12, 2019||2.299%||2.782%|
|9||December 18, 2019||2.014%||2.099%|
|10||December 19, 2019||1.693%||1.954%|
|11||December 25, 2019||1.708%||2.025%|
|12||December 26, 2019||2.295%||2.718%|
|13||January 1, 2020||1.939%||2.213%|
|14||January 2, 2020||2.423%||2.633%|
|15||January 8, 2020||2.685%||2.762%|
|16||January 9, 2020||2.983%||3.372%|
- ^ "윤시윤·정인선·박성훈, 코믹 스릴러 '싸이코패스 다이어리' 주연 확정". Naver (in Korean). Digital Times. Retrieved September 7, 2019.
- ^ "Psychopath Diary (2019)". CJ ENM. Archived from the original on March 26, 2022. Retrieved March 26, 2022.
- ^ "'싸이코패스 다이어리' 이한위 허성태→이민지까지, 퍼펙트 라인업(공식)". Naver (in Korean). Newsen. Retrieved September 7, 2019.
- ^ "'싸이코패스 다이어리' 윤시윤X정인선X박성훈, 캐스팅 확정…믿보 라인업 구축". Naver (in Korean). Hankyung. Retrieved September 7, 2019.
- ^ a b "Yoon Si-yoon, Jung In-sun, Park Sung-hoon Confirmed for "Psychopath Diary"". HanCinema. News1 Korea. Retrieved September 7, 2019.
- ^ "Yoon Si-yoon and Jung in-sun Courted for Drama "Psychopath Diary"". HanCinema. Xports News. Retrieved September 7, 2019.
- ^ "Kim Gyul to Star in "Psychopath Diary"". HanCinema. Wow TV. Retrieved September 7, 2019.
- ^ "빅톤 정수빈, tvN '싸이코패스 다이어리' 합류…연기돌 행보(공식)". Naver (in Korean). Newsen. Retrieved September 24, 2019.
- ^ a b "Hwang Sun-hee and Choi Tae-hwan Confirmed for "Psychopath Diary"". HanCinema. Retrieved September 7, 2019.
- ^ "'싸이코패스 다이어리' 윤시윤·정인선·박성훈, 첫 리딩부터 '시너지↑'". Naver (in Korean). Ilgan Sports. Retrieved September 26, 2019.
- ^ "Nielsen Korea". AGB Nielsen Media Research (in Korean). Retrieved July 29, 2020.
- ^ "Nielsen Korea". AGB Nielsen Media Research (in Korean). Archived from the original on June 1, 2016. Retrieved November 20, 2019.
- Official website (in Korean)
- Psychopath Diary at IMDb
- Psychopath Diary at HanCinema