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).

Movies & TV Shows

1. Snowpiercer (2013) — Yona
2. The Host (2006) — Park Hyun-seo
3. The Beauty Inside (2015) — Woo-jin 101
4. Doona! (2023) — Ha-yeon
5. Running Man (2010)
6. Right Now, Wrong Then (2015) — Yeom Bora
7. The King (2017) — Miss Kim
8. Office (2015) — Lee Mi-rye
9. A Brand New Life (2009) — Ye-shin
10. Midnight Diner: Tokyo Stories (2016) — Yoona
11. Sad Love Story (2005)
12. Pavane (2026) — Mi-jung
13. Thread of Lies (2014) — Lee Man-ji
14. Samjin Company English Class (2020) — Lee Ja-young
15. Life on Mars (2018) — Yoon Na-Young
16. A Melody to Remember (2016) — Park Joo-mi
17. Tracer (2022) — Seo Hey-young
18. Honeysweet (2023) — Serenade Woman
19. Radiant Office (2017) — Eun Ho-Won
20. Master of Study (2010) — Gil Pul-ip
21. A Resistance (2019) — Yu Gwan-sun
22. Amazing Saturday (2018) — Self
23. You Hee-yeol's Sketchbook (2009) — Self
24. The Happy Life (2007) — Joo-hee
25. Crime Puzzle (2021) — Yoo-hee
26. Because I Hate Korea (2024) — Joo Kye-na
27. Heard It Through the Grapevine (2015) — Seo Bom
28. Radio Dayz (2008) — Sun-deok
29. Show!terview with Jessi (2020) — Self
30. The Seasons (2023) — Self
31. Duet (2012) — Nancy
32. After the Banquet (2009) — Mi-rae
33. 3.11 A Sense of Home Films (2011)
34. Time of Cinema (2026) — Director (segment "Naturally")
35. Salon Drip (2023) — Self
36. Snowpiercer International Special Animation (2013) — Yona (voice)
37. Edward Lee's Country Cook (2025) — Self
38. SNL Korea (2021) — Self - Host
39. The Host : Histoires de famille — Go A-sung
40. Nervous (2026) — Eunbyeol