Hannah Murray

Character: Leslie Van Houten

Sosie Bacon

Character: Patricia Krenwinkel

Marianne Rendón

Character: Susan Atkins

Merritt Wever

Character: Karlene Faith

Matt Smith

Character: Charles Manson

Suki Waterhouse

Character: Mary Brunner

Chace Crawford

Character: Tex Watson

Annabeth Gish

Character: Virginia Carlson

Kayli Carter

Character: Lynette 'Squeaky' Fromme

Cameron Gellman

Character: Bobby Beausoleil

Matt Riedy

Character: Police Chief Davis

Grace Van Dien

Character: Sharon Tate

Lindsay Farris

Character: Jay Sebring

Julia Schlaepfer

Character: Sandra Good

James Trevena

Character: Dennis Wilson

Bridger Zadina

Character: Paul Watkins

India Ennenga

Character: Linda Kasabian

Dan Olivo

Character: Leno LaBianca

Jackie Joyner

Character: Rosemary LaBianca

Morgan Melton

Character: Ruth Ann Moorehouse

Bryan Adrian

Character: Terry Melcher

Dayle McLeod

Character: Catherine 'Gypsy' Share

Jeremy Lawson

Character: Danny DeCarlo

Trevor Brunsink

Character: Donald 'Shorty' Shea

Dillon Lane

Character: Gregg Jakobson

Aria Taylor

Character: Dianne Lake

John Frank Rosenblum

Character: Officer Cole

Danya LaBelle

Character: Barbara

Sol Rodriguez

Character: Gloria

Kimmy Shields

Character: Vicki

Aaron Leddick

Character: Documentarian / Announcer

Blaine Gray

Character: Golden Globes Guest

Kim Yarbrough

Character: Tina

Tracy Perez

Character: Carla

Anthony Traina

Character: Phil

Darien Sills-Evans

Character: Bill Morris

Christopher Gerse

Character: Pete

Tony Armatrading

Character: Guard Carl

Nathan Sutton

Character: Steve Somewhere

Kimberly Gikas

Character: Kay

Adria Baratta

Character: Officer Hamilton

Marlon Braccia

Character: Mrs. Van Houten