Unsane Is she or isn't she? A woman is involuntarily committed to a mental institution where she is confronted by her greatest fear. Details Casts Title Unsane Release Date 2018-03-22 Runtime 01 Hours 38 Minutes Genres Horror Thriller Production Companies Fingerprint Releasing, Regency Enterprises, Extension 765, New Regency Pictures Production Countries United States of America Claire Foy Sawyer Valentini Joshua Leonard David Strine Jay Pharoah Nate Hoffman Juno Temple Violet Aimee Mullins Ashley Brighterhouse Amy Irving Angela Valentini Sarah Stiles Jill Marc Kudisch Bank Manager Colin Woodell Mark Myra Lucretia Taylor Counselor Lynda Mauze Dolores Zach Cherry Dennis Polly McKie Nurse Boles Raúl Castillo Jacob Michael Mihm Steve Robert Kelly Steve's Partner Natalie Gold Female Patient Sol Marina Crespo Female Patient Will Brill Male Patient Steven Maier Male Patient Matthew R. Staley Medical Technician Matt Mancini Medical Technician Emily Happe Friendly Nurse Gibson Frazier Dr. Hawthorne Erin Wilhelmi Hayley Joseph P. Reidy Lawyer Matt Damon Detective Ferguson Erika Rolfsrud Medical Examiner Elizabeth Goodman TruthBite Editor Roshanna Jenkins Federal Agent Lance Coughlin Police Officer (uncredit? Kevin Dean O'Connor George Shaw (uncredited) Ursula Triplett Arresting Police Officer?