- Michael Fassbender Harry Hole
- Rebecca Ferguson Katrine Bratt
- Charlotte Gainsbourg Rakel
- Chloë Sevigny Sylvia / Ann Ottersen
- Val Kilmer Rafto
- J.K. Simmons Arve Støp
- Toby Jones Gert Rafto
- James D'Arcy Filip Becker
- Alec Newman Mould Man
- Ronan Vibert DCI Gunnar Hagen
- Jakob Oftebro Superintendant Skarre
- David Dencik Idar Vetlesen
- Anne Reid
- Peter Dalle
- Genevieve O'Reilly Birte Becker
- Jack Roth Mould Man 2