archytele The Vault

Ko A-sung

Acting Born Aug 10, 1992 Seoul, South Korea 24 credits

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).

Ask the Vault

Ask anything about Ko A-sung.

Known for

Running Man

2010

You Hee-yeol's Sketchbook

as Self

Amazing Saturday

as Self

The Seasons

as Self
Film

Snowpiercer

as Yona

Full filmography

  • 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
  • Snowpiercer (2013) as Yona
  • Doona! (2023) as Ha-yeon
  • Midnight Diner: Tokyo Stories (2016) as Yoona
  • The Host (2006) as Park Hyun-seo
  • Next Entertainment, Visionary (2021) as Self
  • Show!terview with Jessi (2020) as Self
  • Salon Drip (2023) as Self
  • Life on Mars (2018) as Yoon Na-Young
  • Heard It Through the Grapevine (2015) as Seo Bom
  • Tracer (2022) as Seo Hey-young
  • Pavane (2026) as Mi-jung
  • The Beauty Inside (2015) as Woo-jin 101
  • Radiant Office (2017) as Eun Ho-Won
  • The King (2017) as Miss Kim
  • Crime Puzzle (2021) as Yoo-hee
  • Edward Lee's Country Cook (2025) as Self
  • I Am Also a Film Director
  • Samjin Company English Class (2020) as Lee Ja-young