Cast & creator

Park Sung-hoon

1985-02-18 (age 41) Gwacheon, Gyeonggi, South KoreaIMDb

Best known for Running Man, You Quiz on the Block, Squid Game

Park Sung-hoon (born February 18, 1985), is a South Korean actor. He started his acting career with a small role in the film A Frozen Flower (2008). He became known through the plays Rooftop Room Cat, The History Boys, and Model Students. Park began to attract attention with supporting roles in SBS' Three Days (2014), Six Flying Dragons (2015–2016) and Don't Dare to Dream (2016). It was through the film Gonjiam: Haunted Asylum (2018) and KBS 2TV's My Only One (2018–2019) that he garnered more popularity. He stepped up as a leading role in the KBS2 Wednesday-Thursday drama series Memorials. Park is better known in recent years for his villainous roles in the dramas The Glory (2022–2023) and Queen of Tears (2024), as well as playing the transgender ex-soldier Cho Hyun-ju in season 2 (2024) and season 3 (2025) of Netflix drama Squid Game.

Also known as: Park Seong-hun, Park Sung-hun, Park Sung Hoon

Movies

film credits

Series

television credits

Career

2008–2026 · acting roles

Credit score

7.1

average across scored titles

Signature credits

Known for

Ordered by popularity

★ 8.2

Running Man

Acting · 2010

★ 8.3

You Quiz on the Block

Self · 2018

★ 7.9

Squid Game

Cho Hyun-ju / Player 120 · 2021

★ 7.4

KBS Drama Special

Go Tae-hoon · 2010

★ 7.4

KBS Drama Special

Na Pil-Seung · 2010

Across film & television

Filmography (39)

Showing 39 of 39 credits

Park Sung-hoon