
Seoul, South Korea
Ko A-sung (born 10 August 1992) is a South Korean actress. She began her career as a child actress, notably in 2006 top-grossing blockbuster The Host. This was followed by major roles in Snowpiercer (2013), Thread of Lies (2014) and Office (2015), as well as the TV dramas Master of Study (2010) and Heard It Through the Grapevine (2015).
as Self

2010

as Self
2018

as Self
2009

as Self - Host
2021

as Self
2023

as Yona
2013

as Self
2012

as Ha-yeon
2023

as Self
2023

as Yoona
2016

as Self
2020

as Mi-jung
2026
as Joo Kye-na
2024

2026

as Mi-jung
2026

as Joo Kye-na
2024

as Serenade Woman
2023

as Lee Ja-young
2020

as Yu Gwan-sun
2019

as Miss Kim
2017

as Park Joo-mi
2016

as Yeom Bora
2015

as Lee Mi-rye
2015

as Woo-jin 101
2015

as Lee Man-ji
2014

as Yona
2013

as Yona (voice)
2013

as Nancy
2012

2011

as Mi-rae
2009

as Ye-shin
2009

as Sun-deok
2008

as Joo-hee
2007

as Park Hyun-seo
2006
as Go A-sung

as Self
1 ep.

1 episodes

as Self
1 episodes

as Self
1 episodes

as Self - Host
1 episodes

as Self
1 episodes

as Self
1 episodes

as Ha-yeon
5 episodes

as Self
1 episodes

as Yoona
1 episodes

as Self
1 episodes

as Self
1 episodes

as Yoon Na-Young
16 episodes

as Seo Bom
30 episodes

as Seo Hey-young
16 episodes

as Gil Pul-ip
16 episodes

as Eun Ho-Won
16 episodes

20 episodes

as Self
10 episodes

as Yoo-hee
16 episodes

1 episodes

1 episodes

5 episodes
1 episodes
as Noh Da-ji
1 episodes