The Marsh King's Daughter

Daisy Ridley

Helena

Ben Mendelsohn

Jacob

Garrett Hedlund

Stephen

Caren Pistorius

Beth

Brooklynn Prince

Young Helena

Joey Carson

Marigold

Yanna McIntosh

Agent Lorna Illing

Gil Birmingham

Clark Bekkum

Joshua Peace

ATV Driver

Pamela MacDonald

Mrs. Haver

Dan Abramovici

Max

Sophia Walker

Monika

Ash Catherwood

State Police Officer

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Toby Proctor

Sheriff's Deputy

Blair Johannes

Marshal in Prison Van