

The Marsh King's Daughter
- Thriller
- Crime
- Mystery
Helena, a woman living a seemingly ordinary life, hides a dark secret—her father is the infamous 'Marsh King', the man who kept her and her mother captive in the wilderness for years. After a lifetime of trying to escape her past, Helena is forced to face her demons when her father unexpectedly escapes from prison.
The Marsh King's Daughter is a 2023 thriller about Helena, a woman whose father—the notorious 'Marsh King'—kept her and her mother captive in the wilderness for years. Now released on streaming and digital platforms, the film follows Helena as she confronts her traumatic past when her father escapes prison. Based on a true story, it's a gripping exploration of survival, family secrets, and psychological trauma.
When does The Marsh King's Daughter come out?
Where to watch
Streaming availability in United States
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Rent or buy
Digital purchase & rental in United States
Where to watch The Marsh King's Daughter by country
Top cast
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Daisy RidleyHelena
Ben MendelsohnJacob
Garrett HedlundStephen
Caren PistoriusBeth
Brooklynn PrinceYoung Helena
Joey CarsonMarigold
Yanna McIntoshAgent Lorna Illing
Gil BirminghamClark Bekkum
Joshua PeaceATV Driver
Pamela MacDonaldMrs. Haver
Dan AbramoviciMax
Sophia WalkerMonika
Ash CatherwoodState Police Officer- Toby ProctorSheriff's Deputy
Blair JohannesMarshal in Prison Van

Trailer
Official Trailer
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The Marsh King's Daughter — frequently asked
When was The Marsh King's Daughter released?
The film was released on September 28, 2023, and is available on digital platforms and select streaming services.
Is The Marsh King's Daughter based on a true story?
Yes, the film is inspired by the true story of a woman whose father kept her and her mother captive in the Michigan wilderness for 24 years.
What is the main plot?
Helena has built a normal life while hiding her dark past, but must face her demons when her father unexpectedly escapes from prison, forcing her to confront the trauma of her childhood captivity.
What genre is The Marsh King's Daughter?
It's a thriller and crime mystery that blends psychological drama with suspenseful storytelling about survival and trauma.


















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