The Night Owl - Cast

Name	Known for
Ryu Jun-yeol Cheon Kyeong-Soo Cheon Kyeong-Soo See fewer	A Taxi Driver (2017)
Yoo Hae-jin King Injo King Injo See fewer	A Taxi Driver (2017)
Shin Chi-young King's Eunuch 2 King's Eunuch 2 See fewer	Time Renegades (2016)
Seong-Ha Cho Nobleman Cho Nobleman Cho See fewer	Adamas (2022)
Kang Deok-Joong King Injo's palace guard King Injo's palace guard See fewer	Steel Rain (2017)
Kim Do-won Kyung-jae Kyung-jae See fewer	Drama Festa: Off the Course (2021)
Jung Dong-geun King's Eunuch 1 King's Eunuch 1 See fewer	The Good Detective (2020)
Lee Dong-Hee Patient 1 Patient 1 See fewer	Jung_E (2023)
Ahn Eun-jin Jo So-yong Jo So-yong See fewer	My Dearest (2023)
Shin Ha-kyun King's Eunuch 3 King's Eunuch 3 See fewer	Sympathy for Mr. Vengeance (2002)
Ko Han-min Guard 1 leading Kyung-Soo Guard 1 leading Kyung-Soo See fewer	Ashfall (2019)
Park Hee-eun Royal food taster Royal food taster See fewer	Big Mouth (2022)
Yang Hee-myoung Physician 1 (as Hee-Myoung Yang) Physician 1 (as Hee-Myoung Yang) See fewer	Monstrum (2018)
Song Dong Hwan Palace gate guard 2 Palace gate guard 2 See fewer	The Penthouse: War in Life (2020)
Kim Hyun-Woo Guard 4 Guard 4 See fewer	Beyond Evil (2021)
Kim In-kwon Royal guard Royal guard See fewer	My Way (2011)
Kim Jae-Wook Eunuch getting acupuncture Eunuch getting acupuncture See fewer	The 1st Shop of Coffee Prince (2007)
Ryu Ji-hoon Scholar 1 Scholar 1 See fewer	The Roundup: Punishment (2024)
Kang Jin-hwi Teacher Teacher See fewer	The Swordsman (2020)
Yoon Jin-young Physical examination guard (as Yoon Jin Young) Physical examination guard (as Yoon Jin Young) See fewer	Moving (2023)
Lee Jong-suk King's stand-in acupuncturist King's stand-in acupuncturist See fewer	Romance Is a Bonus Book (2019)
Lee Joo-won Suk-Chul (Juvenile) Suk-Chul (Juvenile) See fewer	Sisyphus: The Myth (2021)
Lee Joong-hyun Vassal 3 Vassal 3 See fewer	Queen of Tears (2024)
Son Kyoung-Won Palace gate guard 1 Palace gate guard 1 See fewer	So I Married My Anti-Fan (2021)
Jo Kyung-hyun Meat seller Meat seller See fewer	Quick (2011)
Choi Moo-sung Lee Hyung-Ik Lee Hyung-Ik See fewer	My Dearest (2023)
Seung-Bae Moon Vassal 2 Vassal 2 See fewer	Only Boy (2015)
Shin Moon-Sung Administrator Administrator See fewer	Memories of Murder (2003)
Seo Mun-ho Lawmaker 3 Lawmaker 3 See fewer	Moving (2023)
Park Myeong-hoon Man-Sik Man-Sik See fewer	Parasite (2019)
Kim Saet-byul Female physician Ae-Jung (as Saet-Byul Kim) Female physician Ae-Jung (as Saet-Byul Kim) See fewer	My Little Baby, Jaya (2017)
Ahn Se-ho Last eunuch Last eunuch See fewer	Always (2011)
An Seok-hyun Prince Soongsun Prince Soongsun See fewer	Ashfall (2019)
Jeong Seok-won Royal guard Royal guard See fewer	The Beast (2011)
Ahn Seong-bong Qing envoy Qing envoy See fewer	Okja (2017)
Kim Seung-tae Vassal 1 Vassal 1 See fewer	Beyond Evil (2021)
Kim Sung-cheol Crown Prince Sohyeon Crown Prince Sohyeon See fewer	The Battle of Jangsari (2019)
Ryu Sung-hyun Senior lawmaker Senior lawmaker See fewer	A Taxi Driver (2017)
Kim Tae-joon Stroke patient Stroke patient See fewer	Peninsula (2020)
Jang Tae-min Physician 2 Physician 2 See fewer	Train to Busan (2016)
Kim Ye-eun Court Lady Seo (as Ye-Eun Kim) Court Lady Seo (as Ye-Eun Kim) See fewer	Concrete Utopia (2023)
Bae Yong-geun Apothecary Apothecary See fewer	Papa Zombie (2016)
Yoon-seo Kang-Bin Kang-Bin See fewer	In Our Prime (2022)