Biography

Kim Sung-kyun (김성균) is a South Korean actor. Born on May 25, 1980, Kim began his career in theatre, then made his screen debut as a gangster boss's faithful henchman in Nameless Gangster: Rules of the Time, followed by supporting roles in The Neighbor, Reply 1994, Reply 1988 and Moon Lovers: Scarlet Heart Ryeo (2016).

Known for

★8.5

Scarlet Heart: Ryeo

2016

★7.7

Officer Black Belt

2024

★8.5

Moving

2023

★8.0

D.P.

2021

★7.4

Hwayi: A Monster Boy

2013

★8.8

Reply 1988

2015

★7.0

Secretly, Greatly

2013

★6.9

The Suspect

2013

★6.9

Nameless Gangster

2012

★6.5

Seoul Vibe

2022

★8.6

Hospital Playlist

2020

★6.9

Sinkhole

2021

★7.6

12.12: The Day

2023

★6.6

Kundo: Age of the Rampant

2014

★7.8

Dino King: Journey to Fire Mountain

2019

★7.5

Karma

2025

★7.1

The Prison

2017

★6.7

The Witness

2018

★7.3

The Neighbors

2012

★6.6

Hansan: Rising Dragon

2022

★6.8

Don't Buy the Seller

2023

★7.9

Nine Puzzles

2025

★6.9

Phantom Detective

2016

★6.9

Grid

2022