Casey Affleck

(Philip)

Michelle Monaghan

(Grace)

Sam Claflin

(James/Eric)

India Eisley

(Lucy)

Emily Alyn Lind

(Daphne)

Hiro Kanagawa

(Dr. Toth)

Veronica Ferres

(Vanessa)

Craig Haas

(Patient 4)

Daniel Bacon

(Police Captain)