Stars · drama
Song Kang got a second global breakout. 15 others did.
We took the cast of thirteen Korean titles that broke out on English Wikipedia — 119 actors with their own article. Sixteen of them appear in two of those titles. Nobody appears in three.
The table this is written from: /person
Song Kang was in Sweet Home, which peaked at 106,217 reads on English Wikipedia in December 2020. He is now in Four Hands, Two Sonatas, which entered the world’s thousand most-read articles on 30 August 2026.
Lee Kyu-hyung was in All of Us Are Dead, which peaked at 225,923 in January 2022. He is now in Mousetrap, which hit rank 157 in the world on 29 August 2026.
Both of this week’s Korean breakouts contain someone who has done this before. We wanted to know how unusual that is, so we counted.
Sixteen out of 119
Across thirteen Korean titles that broke out on English Wikipedia — from Kingdom in 2019 to the two this week — Wikidata names 119 cast members who have their own English Wikipedia article.
Sixteen of them appear in two of the thirteen. Not one appears in three.
| Actor | Their two breakouts |
|---|---|
| Gong Yoo | Squid Game · The Silent Sea |
| Lee Yoo-mi | Squid Game · All of Us Are Dead |
| Heo Sung-tae | Squid Game · The Silent Sea |
| Kang Mal-geum | Squid Game · The Silent Sea |
| Park Seo-joon | Itaewon Class · Parasite |
| Jang Hye-jin | Crash Landing on You · Parasite |
| Park Myung-hoon | Crash Landing on You · Parasite |
| Choi Dae-hoon | Extraordinary Attorney Woo · Crash Landing on You |
| Kim Sun-young | Crash Landing on You · The Silent Sea |
| Jung Ji-so | The Glory · Parasite |
| Lee Do-hyun | The Glory · Sweet Home |
| Jeon Bae-soo | Extraordinary Attorney Woo · All of Us Are Dead |
| Bae Doona | The Silent Sea · Kingdom |
| Kim Sang-ho | Sweet Home · Kingdom |
| Song Kang | Sweet Home · Four Hands, Two Sonatas |
| Lee Kyu-hyung | All of Us Are Dead · Mousetrap |
That is 13.4% of the pool. Say it the other way and it is sharper: 86.6% of the actors in a Korean global breakout have been in exactly one.
The ceiling nobody has passed
The number that surprised us is the empty row. Nobody in these thirteen titles has been in three of them.
Four actors came out of Squid Game alone into a second breakout, and The Silent Sea took three of them. Parasite connects to four other titles. There is plenty of overlap in the middle of the list — and then it stops.
We are not going to tell you what that means. Thirteen titles is a small number and we chose them; an absence in a hand-picked list of thirteen is weak evidence about anything. What we can say is that the ceiling is where it is, and that it is worth watching whether the next breakout breaks it.
Lee Kyu-hyung is the closest. If Mousetrap holds and his next series travels, he would be the first.
The Silent Sea is the connector
One title links to five others: The Silent Sea — Gong Yoo, Heo Sung-tae and Kang Mal-geum from Squid Game, Kim Sun-young from Crash Landing on You, Bae Doona from Kingdom.
It also had the smallest peak of the thirteen except this week’s Mousetrap: 59,760 reads. The most connected title in the set is one of the least read in it.
That pattern has an ordinary explanation — it was made and cast right after Squid Game, by people working in the same year — and we cannot separate that from anything else with this data. We are reporting the shape, not a cause.
Why we counted this
“So-and-so is in everything” is a thing people say about Korean actors, and nobody attaches a number to it. The number, inside thirteen global breakouts, is that sixteen people have two and nobody has three.
Every actor above has a page here with what else they have been in and how far it travelled — the index is the actors page, and the same question asked across our whole panel rather than thirteen titles is on the casting-overlap page.
Where these numbers come from
Sources
- Wikidata — Cast members (P161) of thirteen Korean titles, restricted to those with an English Wikipedia article · https://query.wikidata.org/
- Wikimedia — Pageviews per-article daily, en.wikipedia, user agents only — used to establish each title's breakout · https://wikimedia.org/api/rest_v1/
What we checked
- The thirteen titles are ones we already knew had broken out on English Wikipedia. That is not a sample of Korean production — it is a list of winners, chosen by us, and every count below is a count inside that list.
- Only cast members with their own English Wikipedia article are in the 119. An actor without one cannot be matched across titles and is absent by construction, so the true overlap is at least what we report and possibly more.
- Wikidata's cast lists are uneven. Squid Game has 14 named, Mousetrap has 3. A short list is a short record, not a short cast, and a missing name looks the same as an absent one here.
- Two appearances means two of these thirteen titles. An actor with a long career of non-breakout work counts the same as a newcomer with two.
What we left out, and why
- Role size. A lead and a single scene are the same entry in this data.
- Everything outside these thirteen titles. Korean film and television produced hundreds of other things in the same years.
- Whether the first breakout caused the second. We counted co-occurrence, which is not a career mechanism.
The data behind this
Written from the same data
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The figures in this article, as images. Free to repost with the address on them.
If you work in this business
Everything on this page is measured from the same weekly Netflix lists, per market and per title. We publish the pages free; what we sell is the same measurement cut to one company's catalogue — including the figures behind /person and /titles.
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