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