Ko Asung oynadığı filmler ve diziler

Doona! (2023 - )
Tracer (2022 - )
Keuraim Peojeul (Crime Puzzle) (2021 - )
Samjin Company English Class (2020)
A Resistance (2019)
La-i-peu on Ma-seu (Life on Mars) (2018)
Deoking (The King) (2017)
Jachebalgwang Opiseu (Radiant Office) (2017)
Op-pa saeng-gak (A Melody to Remember) (2016)
Poongmooneuro Deuleotso (Heard It Through the Grapevine) (2015)
Opiseu (Office) (2015)
Dogru Zaman (Ji-geum-eun-mat-go-geu-ddae-neun-teul-li-da) (2015)
Byuti insaideu (The Beauty Inside) (2015)
Uahan Geojinmal (Thread of Lies) (2014)
Kar Küreyici (Snowpiercer) (2013)
God of Study (Lord of Studying) (2010 - )
Yepyeni bir hayat (Yeo-haeng-ja) (2009)
Jeul-geo-woon in-saeng (The Happy Life) (2007)
Yaratik (Gwoemul) (2006)
Beating Heart (2005 - )