A mild-mannered college professor discovers a look-alike actor and delves into the other man's private affairs.
Jake Gyllenhaal
Adam / Anthony
Mélanie Laurent
Mary
Sarah Gadon
Helen
Isabella Rossellini
Mother
Joshua Peace
Teacher at School
Tim Post
Anthony's Concierge
Kedar Brown
Security Guard
Darryl Dinn
Video Store Clerk
Misha Highstead
Lady in the Dark Room
Megan Mane
Alexis Uiga
Kiran Friesen
Sad, Broken Woman (uncredited)
Loretta Yu
Receptionist (uncredited)
Stephen R. Hart
Bouncer (uncredited)
Paul Stephen
Dark Room Patron (uncredited)
