Helter Skelter

Jeremy Davies

Charles Manson

Clea DuVall

Linda Kasabian

Allison Smith

Patricia 'Katie' Krenwinkle

Mary Lynn Rajskub

Lynette 'Squeaky' Fromme

Marguerite Moreau

Susan 'Sadie' Atkins

Eric Dane

Charles "Tex" Watson

Michael Weston

Bobby Beausoleil

Hal Ozsan

Joey Dimarco

Rick Gomez

Milio

Robert Joy

Detective Morrisy

Graham Beckel

Jerry

Chris Ellis

Sgt. Whiteley