
Ko A-sung
Known for Acting · 47 credits
- Born
- 1992-08-10 (age 33)
- Place of birth
- Seoul, South Korea
- Also known as
- Go Ah-sung · گو آ-سانگ · Go A-seong · Ko Asung · Go A-sung · Ко А-сон
Biography
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).
Known For
TV Shows (24)

Running Man
2010

You Hee-yeol's Sketchbook
2009
as Self

Amazing Saturday
2018
as Self

The Seasons
2023
as Self

SNL Korea
2021
as Self - Host

Baeksang Arts Awards
2012
as Self

Show!terview with Jessi
2020
as Self

Midnight Diner: Tokyo Stories
2016
as Yoona

Heard It Through the Grapevine
2015
as Seo Bom

Next Entertainment, Visionary
2021
as Self

Life on Mars
2018
as Yoon Na-Young

Doona!
2023
as Ha-yeon

Tracer
2022
as Seo Hey-young

Radiant Office
2017
as Eun Ho-Won

Master of Study
2010
as Gil Pul-ip

Crime Puzzle
2021
as Yoo-hee

Sad Love Story
2005

Edward Lee's Country Cook
2025
as Self

I Am Also a Film Director

K-Ocean Pathfinders
2020

인생이 영화
2025
울라불라 블루짱
2004
as Noh Da-ji
The Miracles of the Namiya General Store

21c Woman Shelter
2026
as Self - Host
Movies (23)

Snowpiercer
2013
as Yona

The Host
2006
as Park Hyun-seo

Pavane
2026
as Mi-jung

The Beauty Inside
2015
as Woo-jin 101

The King
2017
as Miss Kim

Samjin Company English Class
2020
as Lee Ja-young

Honeysweet
2023
as Serenade Woman

Thread of Lies
2014
as Lee Man-ji

Right Now, Wrong Then
2015
as Yeom Bora

A Melody to Remember
2016
as Park Joo-mi

Time of Cinema
2026

A Resistance
2019
as Yu Gwan-sun

3.11 A Sense of Home Films
2011

Happy Life
2007
as Gi-yeong's daughter, Joo-hee

Office
2015
as Lee Mi-rye

Because I Hate Korea
2024
as Joo Kye-na
The Host : Histoires de famille
as Go A-sung

A Brand New Life
2009
as Ye-shin

After the Banquet
2009
as Mi-rae

Radio Dayz
2008
as Sun-deok

Snowpiercer International Special Animation
2013
as Yona (voice)

Duet
2012
as Nancy

Nervous
About Ko A-sung
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). With 47 credits spanning from 2004 to 2026, Ko A-sung has appeared in 23 films and 24 TV shows.
Fans searching for Ko A-sung movies, Ko A-sung filmography, or the latest projects starring Ko A-sung can stream many of these titles on Bowood.TV, free and in HD, with no subscription required.
Most Popular Ko A-sung Movies
- Snowpiercer (2013) — as Yona
- The Host (2006) — as Park Hyun-seo
- Pavane (2026) — as Mi-jung
- The Beauty Inside (2015) — as Woo-jin 101
- The King (2017) — as Miss Kim
Where to Watch Ko A-sung Films
Most Ko A-sung movies and series are available to stream on Bowood.TV in full HD, completely free and without signup. Browse the complete filmography above to jump directly to any title. For more films and the latest web series featuring Ko A-sung, check our movies catalogue and browse page.