Seo Young-joo

2020s

1. 2025
   

   Hallan

   Lee Cheol

2. 2024
   

   I, the Executioner

   Fake Haechi

   74

3. BEGINS ≠ YOUTH

   Kim Do-geon · 12 episodes

4. 2023

   Open the Door

   Chi-hoon

5. 

   The Killing Vote

   Kim Ji-hoon · 12 episodes

   73
6. 

   Tale of the Nine Tailed 1938

   Satori · 3 episodes

   87
7. 2022

   Confession

   Han Sun-jae

8. 2021
   

   Ten Months

   Yoon-ho

   69
9. 2020
   

   Nobody Knows

   Kim Tae-hyung · 16 episodes

   78

2010s

1. 2019
   

   Beautiful World

   Han Dong-soo · 16 episodes

   79
2. 2018

   Dong-hwa

   Dong-hwa

3. 2017
   

   Girls' Generation 1979

   Bae Dong-moon · 8 episodes

4. 2016

   Solomon's Perjury

   Lee So-Woo · 12 episodes

5. 

   The Age of Shadows

   Joo Dong-sung

   79
6. 2015
   

   Hello Monster

   Lee Jung-ha · 2 episodes

   75
7. 

   The Treacherous

   Young Im Sung-jae

   61

8. Snowy Road

   Young-ju

9. 2014

   18 Years

   Movie

10. 2013
    

    Moebius

    Son

    67
11. 2012

    Juvenile Offender

    Jang Ji-gu

12. May Queen

    Jang Il-moon (young) · 38 episodes

13. 

    The Thieves

    Young Macao Park

    70
14. 2011

    Gye Baek, Warrior’s Fate

    Gyo-ki (teen) · 36 episodes

15. Listen to My Heart

    Jang Joon-ha / Bong Ma-roo (young) · 30 episodes

16. 2010

    Bloody Innocent

    11-year-old Dong-sik

17. 

    KBS Drama Special

    Seok-Ju · 1 episode

2000s

1. 2009

   Strange Heroes

   young Jin Do-hyuk · 16 episodes

2. 2008
   

   A Frozen Flower

   Young Han-baek

   70