Nobody Knows - Production & Contact Info

Nobody Knows (2020–2020)
TV Series | 70 min | Crime, Drama, Mystery

Nobody Knows (2020–2020)

TV Series | 70 min | Crime, Drama, Mystery

Still haunted by the death of her friend who was murdered 19 years ago by the infamous Stigmata serial killer, detective Cha Young Jin is determined to catch the culprit.

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Cast	+ Add Cast
41 cast members

Name	Episodes	Known for
Yoon Chan-young Joo Dong Myung Joo Dong Myung See fewer	16	All of Us Are Dead (2022)
Jang Young-nam Jung So-yeon (Eun-ho's mother) Jung So-yeon (Eun-ho's mother) See fewer	16	A Werewolf Boy (2012)
Yoo Soon-woong Yoo Pan Sool Yoo Pan Sool See fewer	16	The Wailing (2016)
Lee Chae-eun Hong Eun-joo Hong Eun-joo See fewer	16	A Company Man (2012)
Seo Ha Yoon Ja Young (as Kang Ye Won) Yoon Ja Young (as Kang Ye Won) See fewer	16	The Verdict (2025)
Kim Seo-hyeong Cha Young Jin Cha Young Jin See fewer	16	The Villainess (2017)
Ryu Deok-hwan Lee Seon-woo Lee Seon-woo See fewer	16	Like a Virgin (2006)
Moon Sung-keun Hwang In Beom Hwang In Beom See fewer	16	To You, from Me (1994)
Park Hoon Baek Sang Ho Baek Sang Ho See fewer	16	Memories of the Alhambra (2018)
Min Jin-woong Detective Lee Jae Hong (as Jin-Woong Min) Detective Lee Jae Hong (as Jin-Woong Min) See fewer	16	Father Is Strange (2017)
Ahn Ji-ho Go Eun-ho Go Eun-ho See fewer	16	A Boy and Sungreen (2018)
Jo Han-chul Yoon Hee-sub Yoon Hee-sub See fewer	15	The Wailing (2016)
Park Chul-min Han Geun-man Han Geun-man See fewer	15	May 18 (2007)
Jeon Seok-chan Kim Byeong-hee (Detective) Kim Byeong-hee (Detective) See fewer	15	Burning (2018)
Baek Soo-jang Park Jin-soo Park Jin-soo See fewer	15	Rampant (2018)
Min-Jeong Park Bae Sun A Bae Sun A See fewer	14	The Russian Novel (2012)
Tae Won-Seok Go Hee-dong Go Hee-dong See fewer	13	Bloodhounds (2023)
Shin Jae-hwi Oh Du Seok (as Shin Jae Hwi) Oh Du Seok (as Shin Jae Hwi) See fewer	13	Moving (2023)
Kwon Hae-hyo Jang Gi-ho Jang Gi-ho See fewer	12	Peninsula (2020)
Yoon Jae-Yong Ha Min Sung Ha Min Sung See fewer	12	Nobody Knows (2020)
Seo Yeong-ju Kim Tae-hyeong Kim Tae-hyeong See fewer	9	Lucy (I) (2014)
Kang Shin-il Seo Sang Won Seo Sang Won See fewer	7	Black House (2007)
Baek Hyun-joo Im Hee Jung Im Hee Jung See fewer	7	Designated Survivor: 60 Days (2019)
Ok Ye-rin Yoon Ji-won (Hee-seob's daughter) Yoon Ji-won (Hee-seob's daughter) See fewer	7	Black Knight (2023)
Yeo-woon Han Lee Sun Kyung (Sun Woo's sister) Lee Sun Kyung (Sun Woo's sister) See fewer	6	The Slingshot (2009)
Han Soo-hyun Kim Chang Soo (as Han Soo Hyun) Kim Chang Soo (as Han Soo Hyun) See fewer	5	The Outlaws (2017)
Kim Sae-ron Cha Young Jin (young) Cha Young Jin (young) See fewer	3	The Man from Nowhere (2010)
Kim Si-eun Choi Soo-jung Choi Soo-jung See fewer	3	Love Alarm (2019)
Seo Yi-Sook Soo-jeong's mother Soo-jeong's mother See fewer	3	Six Flying Dragons (2015)
Min Sung-wuk Kevin Jung Kevin Jung See fewer	3	Pinocchio (2014)
Jeong Ji-Hoon Baek Sang Ho (child) Baek Sang Ho (child) See fewer	3	A Melody to Remember (2016)
Jeong Seung-gil School Administrator of Sinsung Middle School School Administrator of Sinsung Middle School See fewer	2	Tunnel (2016)
Jeon Moo-song Kwon Jae-cheon Kwon Jae-cheon See fewer	2	Mandala (1981)
Park Jin-young Kang In Jik Kang In Jik See fewer	2	Big Bang (2007)
Baek Jae-Woo Baek Sang Ho (young) Baek Sang Ho (young) See fewer	2	Mouse (2021)
Ham Sung-Min Yeong-sik's friend Yeong-sik's friend See fewer	1	All of Us Are Dead (2022)
Choi Ji-yeon Disciplinary hearing member Disciplinary hearing member See fewer	1	Voice (2017)
Jang Eui-don Choi Man-gi (Detective) Choi Man-gi (Detective) See fewer	1	#Alive (2020)
Shin Mi-young Yoo Pan Sool's neighbor Yoo Pan Sool's neighbor See fewer	1	The Age of Shadows (2016)
Kim Woo-jin Hotel employee (as Woo Jin Kim) Hotel employee (as Woo Jin Kim) See fewer	1	Mouse (2021)
Lee Seung-Yeon Joo Han-sol's aunt Joo Han-sol's aunt See fewer	1	Taxi Driver (2021)