Insomnia

Stellan Skarsgård

Jonas Engström

Sverre Anker Ousdal

Erik Vik

Bjørn Floberg

Jon Holt

?

Maria Mathiesen

Tanja Lorentzen

Gisken Armand

Hilde Hagen

Kristian Figenschow

Arne Zakariassen

Thor Michael Aamodt

Tom Engen

Frode Rasmussen

Chief of Police

Bjørn Moan

Eilert

Maria Bonnevie

Ane

Marianne O. Ulrichsen

Frøya

Guri Johnson

Mia Nikolaisen (uncredited)