Acting credits
41
Established
Large and steady acting portfolio.
Actor
Ko A-sung
Acting
Career Snapshot
ExplainedThese indicators come from TMDB. They are relative signals, not review ratings.
TMDB popularity
0.7
Low visibility
TMDB internal trend index. Higher usually means more searches and page activity now.
Movies: 22Series: 19
TMDB ID: 21689
IMDb ID: nm2163344
Known for: Acting
Born: August 10, 1992
Age: 33
Place of birth: Seoul, South Korea
Gender: Female
Adult content flag: No
Career span: 2006 - 2026
Years active: 21
Average TMDB rating: 7.42
Wikidata: Q291446
Also known as
Go Ah-sung • Ko Ah-seong • گو آ-سانگ • コ・アソン • 高我星 • Go A-seong • Ko Asung • Go A-sung
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).
Photos
Movies
Movies
Movie credits linked with Ko A-sung.
In 5 weeks
Time of Cinema
2026 Movie
In 4 days
Pavane
as Mi-jung
2026 Movie
7.3
Because I Hate Korea
as Joo Kye-na
2024 Movie
5.6
Honeysweet
as Serenade Woman
2023 Movie
7.7
Samjin Company English Class
as Lee Ja-young
2020 Movie
8.0
A Resistance
as Yu Gwan-sun
2019 Movie
7.3
The King
as Miss Kim
2017 Movie
8.3
A Melody to Remember
as Park Joo-mi
2016 Movie
7.0
Right Now, Wrong Then
as Yeom Bora
2015 Movie
6.4
Office
as Lee Mi-rye
2015 Movie
7.7
The Beauty Inside
as Woo-jin 101
2015 Movie
7.4
Thread of Lies
as Lee Man-ji
2014 Movie
6.9
Snowpiercer
as Yona
2013 Movie
Snowpiercer International Special Animation
as Yona (voice)
2013 Movie
4.0
Duet
as Nancy
2012 Movie
6.5
3.11 A Sense of Home Films
2011 Movie
5.5
After the Banquet
as Mi-rae
2009 Movie
7.3
A Brand New Life
as Ye-shin
2009 Movie
6.4
Radio Dayz
as Sun-deok
2008 Movie
6.8
Happy Life
as Gi-yeong's daughter, Joo-hee
2007 Movie
7.0
The Host
as Park Hyun-seo
2006 Movie
Nervous
Movie
Series
Series
Series credits linked with Ko A-sung.
인생이 영화
1 eps
2025 Series
8.0
Edward Lee's Country Cook
as Self • 10 eps
2025 Series
7.7
Doona!
as Ha-yeon • 5 eps
2023 Series
7.5
The Seasons
as Self • 1 eps
2023 Series
6.3
Tracer
as Seo Hey-young • 16 eps
2022 Series
4.7
Crime Puzzle
as Yoo-hee • 16 eps
2021 Series
Next Entertainment, Visionary
as Self • 1 eps
2021 Series
K-Ocean Pathfinders
5 eps
2020 Series
7.0
Show!terview with Jessi
as Self • 1 eps
2020 Series
8.3
Life on Mars
as Yoon Na-Young • 16 eps
2018 Series
7.6
Amazing Saturday
as Self • 1 eps
2018 Series
6.8
Radiant Office
as Eun Ho-Won • 16 eps
2017 Series
7.8
Midnight Diner: Tokyo Stories
as Yoona • 1 eps
2016 Series
7.6
Heard It Through the Grapevine
as Seo Bom • 30 eps
2015 Series
Baeksang Arts Awards
as Self • 1 eps
2012 Series
8.3
Running Man
1 eps
2010 Series
7.5
Master of Study
as Gil Pul-ip • 16 eps
2010 Series
6.3
You Hee-yeol's Sketchbook
as Self • 1 eps
2009 Series
I Am Also a Film Director
1 eps
Series