Park Sung-hoon
Biography
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
Movie Appearances

Hee-Soo
as Ko Tae Hoon
2021

Hail to Hell
as Myung-ho
2023

Night Fever
as Man-soo
TBA

The Distributors
as Yu-bin
2022

Gonjiam: Haunted Asylum
as Sung-hoon
2018

High Society
as Jason
2018

Forbidden Dream
as Crown Prince Yi Hyang
2019

Woochi: The Demon Slayer
2009

The Son
as Han Jae-woo
2024

Netflix Tudum 2025
as Self
2025
TV Appearances

Running Man
2010

Black Knight
as Park Gon
2017

KBS Drama Special
as Go Tae-hoon
2010

Blue Dragon Series Awards
as Self
2022

Jealousy Incarnate
as Secretary Cha
2016

Distorted
as Na Sung-Sik
2017

Six Flying Dragons
as Gil Yoo
2015

Rich Man, Poor Woman
as Cha Do-Jin
2018

The Bequeathed
as Yang Jae-seok
2024

KBS Drama Special
as Na Pil-Seung
2010

My Only One
as Jang Go-Rae
2018

Justice
as Tak Soo-Ho
2019
