Cast & creator
Jeong Seok-yong
Best known for My Little Old Boy, My Little Old Boy, Train to Busan
Jeong Seok-yong (정석용) is a South Korean character actor born on December 31, 1970. Beginning his performing career in stage theater during the late 1990s, he transitioned into screen acting and established a prolific career across film and television. Jeong's feature film credits include notable appearances in King and the Clown (2005), Like a Virgin (2006), Sunny (2011), Train to Busan (2016), and Seven Years of Night (2018). On television, he has featured in major drama series including Six Flying Dragons (2015–2016), Arthdal Chronicles (2019), D.P. (2021), Work Later, Drink Now (2021), and Tale of the Nine Tailed 1938 (2023).
Also known as: Jung Suk-yong, Jung Seok-yong, Jeong Suk-yong, Jung Suk-yong , 鄭石勇
46
film credits
39
television credits
85
2000–2026 · acting roles
6.9
average across scored titles
Signature credits
Known for
Across film & television
Filmography (85)
Showing 85 of 85 credits
My Little Old Boy
2016My Little Old Boy
Self
2016
Train to Busan
Captain of KTX
2016
Extraordinary Attorney Woo
Dong Dong-sam
2022
D.P.
Oh Min-u
2021
Mouse
Woo Jae-pil
2021
Marry My Husband
Kim Hyun-mo
2024
The Judge from Hell
Yoo Hong-cheol
2024
Signal
Oh Gyung-tae
2016
Busted!
Jeong Seok-Yong
2018Busted!
Jeong Seok-yong
2018
From Now On, Showtime!
Nam Sang-gun
2022
Move to Heaven
Yoon Yeong-su
2021
Misaeng: Incomplete Life
Hwang
2014
20th Century Girl
Bo-ra's Father
2022
Once Upon a Small Town
Hwang Man-sung
2022
Miss Night and Day
Lee Hak-chan
2024
Work Later, Drink Now
So-hee's Publishing Team Director
2021
Black
Bong Man-Shik
2017
Fifties Professionals
Lee Cheol-jin
2026
Captivating the King
Se Dong
2024
Hotel King
Go San
2014
Graceful Friends
Park Chun-Bok
2020
He Is Psychometric
Yoon Tae-ha
2019
Good Manager
Go Man-geun
2017
Tunnel
Dr. Kim [Forensic Pathologist, 1986]
2017
Inspector Koo
Mr. Kim
2021
The Queen's Classroom
Koo Ja-song
2013
A Taxi Driver
Car Center Manager
2017
Heroes Next Door
Oh Choon-Bae
2025
Romance in the House
Jang Chun-sik
2024
Your House Helper
Team Leader Jo
2018
Room No. 9
Kang Sung-Tae
2018
The Miracle We Met
Yook Bang-woo
2018
Avengers Social Club
Mi-Sook's husband
2017
The Spies Who Loved Me
Kang Tae-Ryong
2020
Beethoven Virus
Park Hyuk Kwon
2008
The Battleship Island
Moon
2017
Birth Secret
Tae Man
2013
Would You Like a Cup of Coffee?
Mr. Lee
2021
Strongest Chil-woo
Nam Gi-Dong
2008
Tunnel
Chief Choi
2016
The Match
Jae-ryong
2025
The Restless
Joong-cheon
2006
The City of Violence
Yoo DongHwan
2006
Oh! Pil Seung And Bong Soon Young
2004
Sunny
Jong-ki
2011
Coin Locker Girl
Mr. Woo
2015
Misbehavior
vice-principal
2017
The Warrior
Ha-il
2001Desperation
Bathroom Guy #6
2000
King and the Clown
Chil-duk
2005
The Throne
Eunuch Hong
2015
Intimate Strangers
Joon-mo's Friend (voice)
2018
A Little Pond
Refugee
2010Digital Short Film Omnibus Project Twentidentity, Vol. 1
segment: "Pass Me"
2003
My New Sassy Girl
Girl's uncle
2016
Once in a Summer
Mr. Kim
2006
Broken
Min-ki's Father
2014
Run-Off
Gwang tae
2016
Running Man
Police
2013
This Charming Girl
Lee
2005
Seven Years of Night
Manager Park
2018
A Million
Cameraman Seo
2009
Radio Star
Sound Engineer Park
2006
공항에서 생긴 일
Joonkyu Jeong
2017
Little Black Dress
Police
2011
Forever the Moment
Choong-shik
2008
Battlefield Heroes
Abai
2011
Dachimawa Lee
Agent 8
2008
He's on Duty
Investigator Yook
2010
Highway Star
Jo Seung-ho
2007
4th Period Mystery
Kang Gook-man
2009
Happy_Ero_Christmas
Police
2003
Please Teach Me English
Tyson
2003
Juvenile Offender
Mr. Kim
2012
Cattle Run
Lee Jang
2026
My New Partner
Bae Il-kwon
2008
Deadline
2024
Family Matters
Fortune telling
2006
Detour
Seupan
2016
When Spring Comes
Yang-hee
2022
Off-Line
진철
2008
Pass Me
2003