Ko Chang-seok appears in 5 Korean titles (2 TV, 3 film) that reached a Netflix weekly top 10 somewhere in the world. Together those titles took 83 chart places in 21 countries. The one that travelled furthest is Dream, which charted in 21 of them.
It is not one title. The largest, Dream, is 43 of 83 chart places — a little under half — so at least one other title here is doing comparable work. At least one of these titles reached number one somewhere: Dream. The places are spread over 21 countries. The charting runs from 2022 to 2025.
This is a floor, not a filmography. It counts only Netflix top-10 charting titles that we have enough weekly data to publish a page for. Ko Chang-seok has other credits that are not here, and we cannot tell you how many.
Jump ahead: Dream · The Match · Kim Do.hyun · every Korean title that charted
Ordered by chart places. “Places” is how many country-week top-10 slots the title took. “Peak” is the best rank it reached anywhere. Each title links to its own page, where you can see the countries one by one.
| Title | Kind | Places | Countries | Weeks | Peak | First charted |
|---|---|---|---|---|---|---|
| Dream | Film | 43 | 21 | 6 | 1 | 2023-07-30 |
| The Match | Film | 25 | 8 | 10 | 1 | 2025-05-11 |
| Project Wolf Hunting | Film | 10 | 3 | 10 | 1 | 2023-03-19 |
| Glitch | TV | 4 | 2 | 3 | 2 | 2022-10-09 |
| Good Doctor | TV | 1 | 1 | 1 | 9 | 2022-07-31 |
Every country-week slot any Ko Chang-seok title took, added up by country. A person can appear in a country through more than one title, so the titles column says how many of the 5 charted there.
| Country | Chart places | Titles | Best rank there |
|---|---|---|---|
| South Korea | 24 | 4 | #1 |
| Taiwan | 8 | 2 | #1 |
| Vietnam | 8 | 3 | #1 |
| Thailand | 7 | 3 | #2 |
| Hong Kong | 6 | 3 | #1 |
| Japan | 4 | 3 | #1 |
| Singapore | 4 | 2 | #2 |
| Indonesia | 3 | 1 | #1 |
Top 8 of 21 countries by chart places. No single country charted all 5 titles. “Best rank there” is the highest position any of the titles reached in that country, and a dash means the rank was not recorded.
Ko Chang-seok was born on 1970-10-13, which places Ko Chang-seok under Libra. This is worked out from the date, not read from anything.
We do not read star signs and make no claim about what one means. The sign is the segment of the sky the sun was passing through on that date, and that is the whole of it. We measured whether signs pair up in real K-pop groups and found nothing that chance would not give.
Ko Chang-seok was born on 1970-10-13, which makes Ko Chang-seok 55 on 2026-08-25.
We print the date as well as the number so this page still reads correctly after it goes stale. The age above is worked out for 2026-08-25 and nothing else.
145 Korean actors and singers were born in 1970 — the same year as Ko Chang-seok.
Source: Wikidata birth date (P569). We do not hold a height, a blood type, or a relationship status for Ko Chang-seok, and we would rather say so than fill the cell.
Everything on this Ko Chang-seok page is counted from Netflix’s published weekly country top 10s joined to Wikidata cast lists. It is a record of where Ko Chang-seok’s work travelled, not a ranking of Ko Chang-seok. This is a statistic, not a person.