Helstrom K-Drama Guide: Cast and Watch Facts
A TMDB-backed guide to Helstrom, including cast, release facts, genres and watch-provider notes.

Helstrom (2020) — an evergreen reference for this TV series: the essentials, the cast, where to watch and what to watch next. Every family has its demons.
Where to watch
TMDB's U.S. watch-provider data lists Hulu. Availability changes by country and date, so check your streaming app before watching.
Cast
Tom Austen as Daimon Helstrom; Sydney Lemmon as Ana Helstrom; Elizabeth Marvel as Victoria Helstrom; Robert Wisdom as Henry / Caretaker; June Carryl as Louise Hastings; Ariana Guerra as Gabriella Rosetti; Alain Uy as Chris Yen
About Helstrom
Daimon and Ana Helstrom are the son and daughter of a mysterious and powerful serial killer. The siblings have a complicated dynamic as they track down the terrorizing worst of humanity — each with their attitude and skills.
More like Helstrom
- Black Lightning
- Shadowhunters
- Marvel's Cloak & Dagger
- Marvel's Agents of S.H.I.E.L.D.
- Constantine
- The Sandman
- DC's Legends of Tomorrow
- Krypton
Figures and availability come from public TMDB data and are provided as a sourced reference.
Frequently asked questions
Where can I watch Helstrom?
TMDB's U.S. watch-provider data lists Hulu. Availability changes by country and date, so check your streaming app before watching.
Who is in the cast of Helstrom?
Tom Austen as Daimon Helstrom; Sydney Lemmon as Ana Helstrom; Elizabeth Marvel as Victoria Helstrom; Robert Wisdom as Henry / Caretaker; June Carryl as Louise Hastings; Ariana Guerra as Gabriella Rosetti; Alain Uy as Chris Yen
Is this Helstrom guide official?
No. It uses TMDB data as a reference and is not endorsed or certified by TMDB.



