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)