Måns Mårlind Director Björn Stein Director Julianne Moore Cara Actor Jonathan Rhys-Meyers Adam Actor Jeffrey DeMunn Dr. Harding Actor Frances Conroy Mrs. Birnberg Actor Brooklynn Proulx Sammy Actor Nathan Corddry Stephen Actor KatiAna Davis The Familiar Actor Michael Graves Holler Man Actor Michael Cooney Screenwriter Emilio Diez Barroso Producer Darlene Caamano Loquet Producer Neal Edelstein Producer Mike Macari Producer John Frizzell Original Music Billy Rovzar Executive Producer Linus Sandgren Cinematographer Steve Mirkovich Film Editing Tim Galvin Production Design Jesse Rosenthal Art Director Rebecca Brown Set Decoration Luca Mosca Costume Design Diane Heery Casting Jason Loftus Casting