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Dear X (2025): Where to Watch, Cast & Facts

An evergreen, sourced guide to Dear X: streaming options, cast and core facts.

By the Pop Culture Files editorial team4 min read✓ Fact-checked
Dear X poster
The Movie Database (TMDB) · TMDB image asset

Dear X (2025) — an evergreen reference for this TV series: the essentials, the cast, where to watch and what to watch next. "X" Marks Her Next Victim.

Where to watch

TMDB's U.S. watch-provider data lists Rakuten Viki. Availability changes by country and date, so check your streaming app before watching.

Cast

Kim You-jung as Baek Ah-jin; Kim Young-dae as Yoon Joon-seo; Kim Do-hoon as Kim Jae-oh; Lee Yul-eum as Lim Le-na

About Dear X

Behind a beautiful face hides a cruel nature—Baek Ah-jin, who sees through and manipulates others' hearts. After stepping on the sacrifices of many to reach the top, everything begins to change the moment she arrives there. A woman wearing a mask to escape hell and climb to the highest place. And the story of the Xs being brutally crushed by her.

More like Dear X

Figures and availability come from public TMDB data and are provided as a sourced reference.

Frequently asked questions

Where can I watch Dear X?

TMDB's U.S. watch-provider data lists Rakuten Viki. Availability changes by country and date, so check your streaming app before watching.

Who is in the cast of Dear X?

Kim You-jung as Baek Ah-jin; Kim Young-dae as Yoon Joon-seo; Kim Do-hoon as Kim Jae-oh; Lee Yul-eum as Lim Le-na

Is this Dear X guide official?

No. It uses TMDB data as a reference and is not endorsed or certified by TMDB.

Sources

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