Ellen Page character Sylvia Likens
Catherine Keener character Gertrude Baniszewski
Hayley McFarland character Jennifer Faye 'Jennie' Likens
Nick Searcy character Lester Likens
Romy Rosemont character Betty Likens
Ari Graynor character Paula Baniszewski
Scout Taylor-Compton character Stephanie Baniszewski
Tristan Jarred character Johnny Baniszewski
Hannah Leigh character Shirley Baniszewski
Bradley Whitford character Prosecutor
James Franco character Andy
Scott Eastwood character Eric
Michael O'Keefe character Reverend Bill Collier
Carlie Westerman character Marie Baniszewski
Michelle Benes character Hope Orbach
Jeremy Sumpter character Coy Hubbard
Brian Geraghty character Bradley
Channing Nichols character Patty
Michael Welch character Teddy
Evan Peters character Ricky Hobbs
Amy Ferguson character Sally
Will Carter character Officer Waters
Edward James Gage character Bailiff
Patricia Place character Mrs. Doyle
Paul Grace character Cottin Candy Vendor (uncredited)
James Meehan character Defense Attorney (uncredited)
Paul Palo character Newspaper Reporter (uncredited)
Gary Sievers character Carnie (uncredited)
