S Line Cast Guide and Watch Facts
A TMDB-backed guide to S Line, including cast, release facts, genres and watch-provider notes.
Here's the full cast of S Line (2025) — who plays who — plus where to watch and the essential facts about this TV series. Social. Sex. Secrets.
Where to watch
Streaming availability changes by country and date — check TMDB or your local streaming app for current options.
Cast
Lee Soo-hyuk as Han Ji-wook; ARIN as Shin Hyeon-heup; Lee Da-hee as Lee Gyu-jin; Lee Eun-saem as Kang Seon-ah; Kim Dong-young as Oh Dong-sik; Lee Gwang-hee as Joon-seon; Lee Han-joo as Yoon Ji-na; Woo Ji-hyun as Jung-woo
About S Line
A young woman with the ability to see mysterious red connections between lovers discovers her secret gift is no longer unique when special glasses granting similar powers appear on the black market.
More like S Line
- Tru Calling
- Monsterland
- Penny Dreadful: City of Angels
- The Twilight Zone
- Locke & Key
- My Roommate Is a Gumiho
- Mr. Mercedes
- Connect
Figures and availability come from public TMDB data and are provided as a sourced reference.
Frequently asked questions
Where can I watch S Line?
Streaming availability changes by country and date — check TMDB or your local streaming app for current options.
Who is in the cast of S Line?
Lee Soo-hyuk as Han Ji-wook; ARIN as Shin Hyeon-heup; Lee Da-hee as Lee Gyu-jin; Lee Eun-saem as Kang Seon-ah; Kim Dong-young as Oh Dong-sik; Lee Gwang-hee as Joon-seon; Lee Han-joo as Yoon Ji-na; Woo Ji-hyun as Jung-woo
Is this S Line guide official?
No. It uses TMDB data as a reference and is not endorsed or certified by TMDB.
Sources
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