Tommy O'Haver Director, Writer Catherine Keener Gertrude Baniszewski Actor Elliot Page Sylvia Likens Actor James Franco Andy Actor Bradley Whitford Prosecutor Actor Ari Graynor Paula Baniszewski Actor Nick Searcy Lester Likens Actor Michael O'Keefe Reverend Bill Actor Romy Rosemont Betty Likens Actor Hayley McFarland Jennie Actor Jeremy Sumpter Coy Hubbard Actor Evan Peters Ricky Hobbs Actor Irene Turner Writer Henry Winterstern Producer Kevin Turen Producer Katie Roumel Producer Jocelyn Hayes Simpson Producer Christine Vachon Producer Ruth Vitale Executive Producer Richard Shore Executive Producer John Wells Executive Producer Pamela Koffler Executive Producer Byron Shah Cinematographer Melissa Kent Film Editing Alan Ari Lazar Original Music Nathan Amondson Production Design Zach Bangma Art Director Lisa Alkofer Set Decoration Alix Hester Costume Design