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Sung Hwan Gu

Gu Sung Hwan

  • Name: Gu Sung Hwan
  • Native name: 구성환
  • Also Known as: Koo Sung Hwan, Koo Sunghwan, Gu Sunghwan, Gu Seong Hwan, Gu Seonghwan
  • Nationality: South Korean
  • Gender: Male
  • Born: June 30, 1980
  • Age: 45
Gu Sung Hwan is a South Korean actor from Jinhae, Gyeongsangnam, South Korea, currently affiliated with Big Boss Entertainment (빅보스엔터테인먼트). He made his acting debut in the 2004 film Low Life (하류인생), after initially working in a theater company setting stage decorations. His audition opportunity came through director Im Kwon Taek (임권택).

Gu completed his military service as a social service worker. His father is Koo Yeong Hwa (구영화).

(Source: kisskh) Edit Biography
Drama
Year Title # Role Rating
TBA
OK! Let’s Get Divorced
OK! Let’s Get Divorced
Korean Drama, 0000, 12 eps
Ji Seung Ho [Won Ho's brother] (Support Role)
12
Ji Seung Ho [Won Ho's brother]
Support Role
0.0
2026
Reverse
Reverse
Korean Drama, 2026, 8 eps
Jae Yong (Support Role)
8
Jae Yong
Support Role
6.9
2026
Our Universe
Our Universe
Korean Drama, 2026, 12 eps
Cho Mu Saeng [Director of Film Pluto] (Support Role)
12
Cho Mu Saeng [Director of Film Pluto]
Support Role
7.5
2025
Mercy for None
Mercy for None
Korean Drama, 2025, 7 eps
Dae Gwang Su [Detective] (Ep. 6) (Guest Role)
7
Dae Gwang Su [Detective] (Ep. 6)
Guest Role
8.3
2024
Uncle Samsik
Uncle Samsik
Korean Drama, 2024, 16 eps
Koo Hae Jun [Seodaemun faction’s leader] (Support Role)
16
Koo Hae Jun [Seodaemun faction’s leader]
Support Role
7.5
2023
Han River Police
Han River Police
Korean Drama, 2023, 6 eps
Oh Joong Taek [Baek Cheol’s crewman] (Support Role)
6
Oh Joong Taek [Baek Cheol’s crewman]
Support Role
7.3
2022
Pachinko
Pachinko
Korean Drama, 2022, 8 eps
[Mr. Chung's brother] (Ep. 3) (Guest Role)
8
[Mr. Chung's brother] (Ep. 3)
Guest Role
8.4
2022
Through the Darkness
Through the Darkness
Korean Drama, 2022, 12 eps
Hwang Dae Seon (Guest Role)
12
Guest Role
8.7
2021
Jirisan
Jirisan
Korean Drama, 2021, 16 eps
[Detective] (Ep. 6) (Guest Role)
16
[Detective] (Ep. 6)
Guest Role
8.2
2019
Hot Stove League
Hot Stove League
Korean Drama, 2019, 16 eps
Lee Jun Mo (Support Role)
16
Lee Jun Mo
Support Role
8.6
2019
Woman of 9.9 Billion
Woman of 9.9 Billion
Korean Drama, 2019, 32 eps
Heuk Gom / "Black Bear" [Businessman] (Support Role)
32
Heuk Gom / "Black Bear" [Businessman]
Support Role
7.5
2019
Designated Survivor: 60 Days
Designated Survivor: 60 Days
Korean Drama, 2019, 16 eps
(Support Role)
16
Support Role
8.5
2016
Tong: Memories
Tong: Memories
Korean Drama, 2016, 12 eps
Gong So Min (Support Role)
12
Gong So Min
Support Role
7.4
Movie
Year Title Role Rating
2026
Made in Itaewon
Made in Itaewon
Korean Movie, 2026,
Park Sang Man [Ji Su’s father] (Support Role)
Park Sang Man [Ji Su’s father]
Support Role
0.0
2026
H-521
H-521
Korean Movie, 2026,
(Main Role)
Main Role
0.0
2023
Dauren's Wedding
Dauren's Wedding
Korean Movie, 2023,
Yeong Tae (Support Role)
Yeong Tae
Support Role
0.0
2023
Project Silence
Project Silence
Korean Movie, 2023,
[Bus driver] (Support Role)
[Bus driver]
Support Role
7.8
2023
Swallow
Swallow
Korean Movie, 2023,
(Support Role)
Support Role
7.1
2019
Love, Again
Love, Again
Korean Movie, 2019,
Deputy Section Chief Cha (Support Role)
Deputy Section Chief Cha
Support Role
7.0
2017
A Taxi Driver
A Taxi Driver
Korean Movie, 2017,
[Suncheon garage staff member] (Bit part)
[Suncheon garage staff member]
Bit part
8.9
2012
26 Years
26 Years
Korean Movie, 2012,
Yong Goo (Support Role)
Yong Goo
Support Role
7.3
2010
71: Into the Fire
71: Into the Fire
Korean Movie, 2010,
Nam Shik (Support Role)
Nam Shik
Support Role
8.5
2008
Public Enemy Returns
Public Enemy Returns
Korean Movie, 2008,
Sung Jin (Support Role)
Sung Jin
Support Role
7.2
2008
Open City
Open City
Korean Movie, 2008,
Detective Lee (Support Role)
Detective Lee
Support Role
7.1
2007
Scout
Scout
Korean Movie, 2007,
Jo Bong Gu (Support Role)
Jo Bong Gu
Support Role
7.7
2004
Fighter in the Wind
Fighter in the Wind
Korean Movie, 2004,
[Circus troupe pierrot] (Bit part)
[Circus troupe pierrot]
Bit part
7.1
2004
Low Life
Low Life
Korean Movie, 2004,
Chun Shik (Support Role)
Chun Shik
Support Role
7.1
TV Show
Year Title # Role Rating
2022
Yoo Quiz on the Block Season 4
Yoo Quiz on the Block Season 4
Korean TV Show, 2022, 175 eps
(Ep. 279) (Guest)
175
(Ep. 279)
Guest
7.5
2021
Dolsing Fourmen
Dolsing Fourmen
Korean TV Show, 2021, 213 eps
(Ep. 139) (Guest)
213
(Ep. 139)
Guest
7.5
2013
I Live Alone
I Live Alone
Korean TV Show, 2013, 650 eps
(Ep. 427~) (Main Host)
650
(Ep. 427~)
Main Host
8.4
Articles
Go Soo will reportedly make a cameo appearance in Jun Ji Hyun's new film 'Colony'
News - Mar 5, 2025

Actor Go Soo will possibly join the star-studded cast of the upcoming film Colony.

Kim Ji Hoon and Seo Ji Hye are in talks to join Lee Jung Jae and Im Ji Yeon in a new rom-com K-drama
News - Feb 19, 2025

Kim Ji Hoon and Seo Ji Hye are reportedly joining the cast of the upcoming tvN K-drama Mean Love.

Actress Ki Eun Se joins Lee Kyu Hyung and Ji Jin Hee in 'Kick Kick Kick Kick'
News - Jan 22, 2025

After brilliantly portraying the role of a mistress in Red Swan, Ki Eun Se is joining a new K-drama genre for 2025.

Lee Hyun Jin will be added to the cast of Lee Min Jung and Kim Ji Suk's new K-drama
News - Nov 25, 2024

Lee Hyun Jin's first K-drama project for 2025 will be Okay, Let's Get a Divorce.

Yoon Park confirmed to star in "Beneficial Fraud"
News - Mar 9, 2023

Yoon Park is confirmed to join the upcoming tvN K-drama Beneficial Fraud.

Gu Sung Hwan

Sung Hwan Gu
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Details

  • First Name: Sung Hwan
  • Family Name: Gu
  • Native name: 구성환
  • Also Known as: Koo Sung Hwan, Koo Sunghwan, Gu Sunghwan, Gu Seong Hwan, Gu Seonghwan
  • Nationality: South Korean
  • Gender: Male
  • Born: June 30, 1980
  • Age: 45

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