Ko 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).

Known for

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Pavane

2026 ⭐ 7.3

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Because I Hate Korea

2024 ⭐ 7.1

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Samjin Company English Class

2020 ⭐ 7.7

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A Resistance

2019 ⭐ 8.0

Career timeline

2026

Time of Cinema

2026

⭐ 5.0

Pavane Notable

Mi-jung · 2026

⭐ 7.3

2024

Because I Hate Korea Notable

Joo Kye-na · 2024

⭐ 7.1

2023

Honeysweet

Serenade Woman · 2023

⭐ 5.8

2020

Samjin Company English Class Notable

Lee Ja-young · 2020

⭐ 7.7

2019

A Resistance Notable

Yu Gwan-sun · 2019

⭐ 8.0

2017

The King Notable

Miss Kim · 2017

⭐ 7.3

2016

A Melody to Remember Notable

Park Joo-mi · 2016

⭐ 8.3

2015

Right Now, Wrong Then Notable

Yeom Bora · 2015

⭐ 7.0

Office

Lee Mi-rye · 2015

⭐ 6.4

The Beauty Inside Notable

Woo-jin 101 · 2015

⭐ 7.7

2014

Thread of Lies Notable

Lee Man-ji · 2014

⭐ 7.4

2013

Snowpiercer Notable

Yona · 2013

⭐ 6.9

Snowpiercer International Special Animation

Yona (voice) · 2013

⭐ 6.5

2012

Duet

Nancy · 2012

⭐ 4.0

2011

3.11 A Sense of Home Films

2011

⭐ 6.5

2009

After the Banquet

Mi-rae · 2009

⭐ 5.5

A Brand New Life Notable

Ye-shin · 2009

⭐ 7.3

2008

Radio Dayz

Sun-deok · 2008

⭐ 6.4

2007

The Happy Life

Joo-hee · 2007

⭐ 6.8

2006

The Host Notable

Park Hyun-seo · 2006

⭐ 7.0

Frequently appears with

Moon Sang-min

Kyung-rok

Byun Yo-han

Yo-han

Lee E-dam

Se-ra

Han Yu-eun

Hyeon-ji

Kim Woo-kyum

Song Ji-myoung

Joo Jong-hyuk

Park Jae-in

Park Seung-hyun

Park Kyung-yoon

Lee Sang-hee

Kye-na's Father

Full filmography

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Time of Cinema

2026 ⭐ 5.0

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Pavane

2026 ⭐ 7.3

HD

Because I Hate Korea

2024 ⭐ 7.1

HD

Honeysweet

2023 ⭐ 5.8

HD

Samjin Company English Class

2020 ⭐ 7.7

HD

A Resistance

2019 ⭐ 8.0

HD

The King

2017 ⭐ 7.3

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A Melody to Remember

2016 ⭐ 8.3

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Right Now, Wrong Then

2015 ⭐ 7.0

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Office

2015 ⭐ 6.4

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The Beauty Inside

2015 ⭐ 7.7

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Thread of Lies

2014 ⭐ 7.4

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Snowpiercer

2013 ⭐ 6.9

HD

Snowpiercer International Special Animation

2013 ⭐ 6.5

HD

Duet

2012 ⭐ 4.0

HD

3.11 A Sense of Home Films

2011 ⭐ 6.5

HD

After the Banquet

2009 ⭐ 5.5

HD

A Brand New Life

2009 ⭐ 7.3

HD

Radio Dayz

2008 ⭐ 6.4

HD

The Happy Life

2007 ⭐ 6.8