A detective and a psychoanalyst uncover evidence of a satanic cult while investigating the rape of a young woman.
Regression is a 2015 Canadian-Spanish-American psychological thriller mystery film directed, produced and written by Alejandro Amenábar. The film stars Ethan Hawke and Emma Watson, with David Thewlis, Lothaire Bluteau, Dale Dickey, David Dencik, Peter MacNeill, Devon Bostick and Aaron Ashmore in supporting roles.