Acting credits
45
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
0.9
Low visibility
TMDB internal trend index. Higher usually means more searches and page activity now.
Movies: 22Series: 23
TMDB ID: 21689
IMDb ID: nm2163344
Known for: Acting
Born: August 10, 1992
Age: 34
Place of birth: Seoul, South Korea
Gender: Female
Adult content flag: No
Career span: 2005 - 2026
Years active: 22
Average TMDB rating: 7.39
Wikidata: Q291446
Also known as
Go Ah-sung • Go A-seong • 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 2 weeks
as Eunbyeol
Nervous
2026 • Movie
as Director (segment "Naturally")
Time of Cinema
2026 • Movie
as Mi-jung
Pavane
2026 • Movie
as Joo Kye-na
Because I Hate Korea
2024 • Movie
as Serenade Woman
Honeysweet
2023 • Movie
as Lee Ja-young
Samjin Company English Class
2020 • Movie
as Yu Gwan-sun
A Resistance
2019 • Movie
as Miss Kim
The King
2017 • Movie
as Park Joo-mi
A Melody to Remember
2016 • Movie
as Yeom Bora
Right Now, Wrong Then
2015 • Movie
as Lee Mi-rye
Office
2015 • Movie
as Woo-jin 101
The Beauty Inside
2015 • Movie
as Lee Man-ji
Thread of Lies
2014 • Movie
as Yona
Snowpiercer
2013 • Movie
as Yona (voice)
Snowpiercer International Special Animation
2013 • Movie
as Nancy
Duet
2012 • Movie
3.11 A Sense of Home Films
2011 • Movie
as Mi-rae
After the Banquet
2009 • Movie
as Ye-shin
A Brand New Life
2009 • Movie
as Sun-deok
Radio Dayz
2008 • Movie
as Joo-hee
The Happy Life
2007 • Movie
as Park Hyun-seo
The Host
2006 • Movie
Series
Series
Series credits linked with Ko A-sung.
as Self - Host • 5 eps
21c Woman Shelter
2026 • Series
1 eps
인생이 영화
2025 • Series
as Self • 10 eps
Edward Lee's Country Cook
2025 • Series
as Ha-yeon • 5 eps
Doona!
2023 • Series
as Self • 1 eps
Salon Drip
2023 • Series
as Self • 1 eps
The Seasons
2023 • Series
as Seo Hey-young • 16 eps
Tracer
2022 • Series
as Yoo-hee • 16 eps
Crime Puzzle
2021 • Series
as Self - Host • 1 eps
SNL Korea
2021 • Series
as Self • 1 eps
Next Entertainment, Visionary
2021 • Series
5 eps
K-Ocean Pathfinders
2020 • Series
as Self • 1 eps
Show!terview with Jessi
2020 • Series
as Yoon Na-Young • 16 eps
Life on Mars
2018 • Series
as Self • 1 eps
Amazing Saturday
2018 • Series
as Eun Ho-Won • 16 eps
Radiant Office
2017 • Series
as Yoona • 1 eps
Midnight Diner: Tokyo Stories
2016 • Series
as Seo Bom • 30 eps
Heard It Through the Grapevine
2015 • Series
as Self • 1 eps
Baeksang Arts Awards
2012 • Series
1 eps
Running Man
2010 • Series
as Gil Pul-ip • 16 eps
Master of Study
2010 • Series
as Self • 1 eps
You Hee-yeol's Sketchbook
2009 • Series
20 eps
Sad Love Story
2005 • Series
1 eps
I Am Also a Film Director
Series