Cast & creator
Jeong Jae-seong
Best known for Hospital Playlist, Big Mouth, Study Group
Also known as: Jung Jae-seong, 郑宰成, Jung Jae-sung, Чонґ Че-сонґ
Movies
10
film credits
Series
22
television credits
Career
32
2014–2026 · acting roles
Credit score
7.3
average across scored titles
Signature credits
Known for
Across film & television
Filmography (32)
Showing 32 of 32 credits
Series
★ 8.6
Hospital Playlist
Chief neurosurgeon
2020
Series
★ 8.4
Big Mouth
Park Yoongab
2022
Series
★ 8.6
Study Group
vice-principal (Yu-seong Tech)
2025
Series
★ 8.1
The Judge Returns
Lee Bong-seok
2026
Series
★ 8.5
My Mister
Yoon Sang-tae
2018
Series
★ 7.7
Money Heist: Korea - Joint Economic Area
Marshal Kim
2022
Series
★ 8.2
Reborn Rookie
Na Byeong-mo
2026
Series
★ 7.8
Phantom Lawyer
Choi Chang-soo
2026
Series
★ 8.1
The King's Affection
No Hak-Su
2021
Series
★ 7.4
Where Stars Land
Lee Woo-taek
2018
Series
★ 7.5
Clean with Passion for Now
[Oh Sol’s boss]
2018
Series
★ 7.6
Doctor John
Kwon Suk
2019
Series
★ 8.6
Miss Night and Day
Baek Cheol-gyu
2024
Series
★ 8.6
Navillera
Deok Chul's father
2021
Series
★ 7.5
The World of the Married
Kong Ji-cheol
2020
Series
★ 5.2
Pandora: Beneath the Paradise
Han Kyung-rok
2023
Series
★ 7.7
The Fabulous
Seon-ho's father
2022
Series
★ 7.9
Beautiful World
Bae Sang-bok
2019
Series
★ 6.1
The Interest of Love
Yuk Si-gyeong
2022
Series
★ 6.1
Flower Crew: Joseon Marriage Agency
Kang Mong-koo
2019
Movie
★ 6.7
Hunt
Pyo Dong-ho
2022
Series
★ 6.8
Diary of a Prosecutor
Kim In-Joo
2019
Series
★ 8.0
Salon de Nabi
2026
Movie
★ 6.9
Tazza: The Hidden Card
Container Oya
2014
Movie
★ 6.8
Confidential Assignment
Briefing
2017
Movie
★ 5.8
The Point Men
Kim
2023
Movie
★ 7.4
The Cursed: Dead Man's Prey
Kim Min-sub
2021
Movie
★ 6.7
Golden Slumber
Jo Se-hyeon
2018
Movie
★ 7.1
Kingmaker
Kim Byeong-chan
2022
Movie
★ 7.0
Inside Men
Reporter
2015
Movie
★ 6.5
The Mayor
Pharm
2017
Movie
★ 4.0
The Long Farewell
Representative Goo
2018