Actors whose one charting title also played in Korea are looked up 1.7 times as often abroad

Two facts we published earlier this week sit next to each other, and putting them together says something neither says alone.

The first: 140 of the 397 Korean titles that charted in Southeast Asia never appeared on Netflix’s chart in Korea. The second: we track English Wikipedia lookups for every Korean actor in those titles who has an article — 979 of 1,355 people.

Join them, and the actors attached to titles that played at home are looked up more.

The obvious objection first

Actors with more titles get looked up more, and actors in Korea-charting titles have more titles. So the comparison only means something inside groups of equal size.

Median 30-day lookups. The gap is there at both sizes, and it is roughly the same size at both, which is what you want before taking it seriously.

The second objection, which is better

Perhaps titles that chart in Korea are simply bigger titles — they reach more markets, so of course their casts get looked up more. That would make this a story about title size wearing a Korean hat.

So we ran it again inside bands of equal reach, using only the 382 actors with exactly one panel title.

It survives. Two actors whose single credit reached the same number of Southeast Asian markets still differ by a third to two-thirds in lookups, depending on whether that credit also played on Korea’s own chart.

⚠ The bottom-right cell rests on 13 people. Take that row as suggestive and the middle row, where the two groups are 37 and 40, as the solid one.

What we think this is, and what we will not claim

We will not say charting in Korea makes an actor famous abroad. Nothing here can establish that, and the arrow could easily point the other way or come from a third thing entirely.

The likeliest third thing is the one we found earlier: the titles that skip Korea’s Netflix chart are mostly broadcast dramas — they aired on KBS or SBS and Koreans watched them there. Broadcast drama and Netflix-commissioned drama are different production systems with different budgets, different casts and different promotion, and that difference could produce this gap on its own without the Korean chart doing any work at all.

What we can say is narrower and still useful: whether a title appears on Korea’s own chart is a usable signal about the international attention its cast receives, it holds after removing the two confounders anyone would raise first, and it is available in advance from a public source.

The hole in this that we cannot fill

376 of the 1,355 people in our cast join have no English Wikipedia article at all. They produce no lookup figure, so they are absent from every number above.

That is not a random 28%. An actor without an English article is almost certainly less known to the English-speaking audience this measures — so the people missing are the people at the bottom of the distribution, and they are probably missing unevenly between our two groups.

If broadcast-drama casts are less likely to have English articles, the true gap is larger than the one we printed. If Netflix-commissioned casts are, it is smaller. We cannot tell which, because the absent rows are absent by exactly the mechanism we would need to measure them.

We print the ratio and we print this paragraph, and we would rather you read both.

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This rests on which titles played at home, which is itself a finding. Read the 140 titles that never charted in Korea →