Son Seok-koo (Korean: 손석구) also spelled Son Suk-ku, is a South Korean actor. He gained recognition for his roles in the television series Matrimonial Chaos (2018), Designated Survivor: 60 Days (2019), D.P. (2021), and My Liberation Notes (2022), as well as the films Nothing Serious (2021) and The Roundup (2022).

Nine Puzzles
Kim Hansaem · (11 episodes)
2025

Virus
Nam Su-pil
2025

Heavenly Ever After
Ko Nak-joon · (12 episodes)
2025

It’s Okay!
Dong-wook
2025

Night Fishing
agent
2024

Troll Factory
Lim Sang-jin
2024

A Killer Paradox
Jang Nan-gam · (8 episodes)
2024

Nattering with Nah
Self · (1 episode)
2023

Big Bet
Oh Seung-hoon · (16 episodes)
2022

The Roundup
Kang Hae-sang
2022

My Liberation Notes
Mr. Gu · (16 episodes)
2022

Unframed
Staff (voice) · (1 episode)
2021

Nothing Serious
Woo-ri
2021

Jirisan
Im Cheolgyeong · (16 episodes)
2021

D.P.
Lim Ji-seop · (12 episodes)
2021

The Game Caterers
Self · (3 episodes)
2021

Shim Chung
Doctor (voice)
2020

Be Melodramatic
Kim Sang-su · (16 episodes)
2019

Designated Survivor: 60 Days
Cha Young-jin · (16 episodes)
2019

Hit-and-Run Squad
Ki Tae-ho
2019

Matrimonial Chaos
Lee Jang-Hyun · (32 episodes)
2018

You Quiz On The Block
Self · (1 episode)
2018

Movie Room
Self · (1 episode)
2018

Suits
David Kim · (16 episodes)
2018

Mother
Lee Seol-Ak · (16 episodes)
2018

Wedding
Song Hoon
2017

My Little Old Boy
Self · (1 episode)
2016

Black Stone
First Lieutenant
2016

Sense8
Detective Mun · (5 episodes)
2015
Slight fever
2014

Contact Point
Sun-woo
2014

Scarlet Innocence
Deong-chi
2014
Moon You
Bedford Park

Please Take Care of My Refrigerator
Self · (2 episodes)
2014