Lee Seo-jin

Ready or Not: Texas

as Self

7.8

2026

My Secretary

as Self

8.5

2025–

High School Return of a Gangster

as Kim Deuk-pal

8.5

2024

Jinny's Kitchen: Team Building

as Self

8.0

2023

Jinny's Kitchen

as Self

8.0

2023–2024

Behind Every Star

as Ma Tae-oh

7.3

2022

Dr. Park’s Clinic

as Park Won-jang

7.7

2022

Youn's Unexpected Journey

as Self

9.0

2022

Times

as Lee Jin-woo

6.9

2021

Youn Stay

as Self

7.5

2021

Friday Joy Package

as Self

7.0

2020

Trap

as Kang Woo-hyun

7.1

2019

Little Forest

as Self

10.0

2019

Intimate Strangers

as Joon-mo

7.2

2018

Youn's Kitchen

as Self

8.9

2017–2018

Marriage Contract

as Han Ji-Hoon

7.8

2016

Wonderful Days

as Kang Dong Suk

3.9

2014

Three Meals a Day: Jeongseon Village

as Self

7.4

2014–2015

Grandpas Over Flowers

as Self

9.2

2013–

Gye Baek, Warrior’s Fate

as Gyebaek

6.0

2011

Possessed

as Shin Ryu

7.5

2009

Lee San, Wind in the Palace

as Yi San

7.5

2007–2008

Freeze

as Baek Joong-Won

4.0

2006

Lovers

as Ha Kang-jae

5.0

2006–2007

Phoenix

as Jang Sae-hoon

7.2

2004

Damo

as Commander Hwangbo

6.1

2003

Shooting the Star

as Do-hoon

6.0

2002–2003

Her House

as Joon-hee

0.0

2001