Sarah Polley as Beatrice

Robert John Burke as The Monster

Helen Mirren as The Boss

Julie Christie as Dr. Anna

Baltasar Kormákur as Dr. Artaud

Annika Peterson as Margaret

Erica Gimpel as Judy

James Urbaniak as Concierge

Bill Sage as Carlo

Paul Lazar as Fred

Damian Young as Berger

Miho Nikaido as Beautician

Ingvar E. Sigurðsson as Dr. Svendsen

Kristbjörg Kjeld as Nurse Joan

Helgi Björnsson as Leó

David Neumann as Agent

Margrét Ákadóttir as Rental Agent

D.J. Mendel as Agent

Abby Royle as Scientist

Wendy Walker as Journalist

Peter O'Hara as Tom

María Ellingsen as Karlsdóttir/Gate Manager

Anthony Giangrande as Journalist