Overview
In 1905, a man travels to a remote island in search of his missing sister who has been kidnapped by a mysterious religious cult.
Cast
- Dan Stevens as Thomas Richardson
- Michael Sheen as Malcolm Howe
- Lucy Boynton as Andrea
- Mark Lewis Jones as Quinn
- Bill Milner as Jeremy
- Kristine Froseth as Ffion
- Paul Higgins as Frank
- Richard Elfyn as Charles
- Catrin Aaron as Elaine
- John Weldon as Lonely Passenger