Leslie Libman Director Mackenzie Mauzy Linda Kasabian Actor Eden Brolin Susan Atkins Actor Greer Grammer Leslie Van Houten Actor Christian Madsen Tex Watson Actor Jeff Ward Charles Manson Actor Grace Victoria Cox Lynette "Squeaky" Fromme Actor Isabel Shill Patricia Krenwinkel Actor Garrett Coffey Bobby Beausoleil Actor Matthew Tabak Screenwriter Stephen Kronish Screenwriter, Executive Producer Kyle A. Clark Producer Lina Wong Producer Joan Harrison Executive Producer Nancy Bennett Executive Producer Jonathan Koch Executive Producer Steven Michaels Executive Producer Antonio Calvache Cinematographer Josh Hegard Film Editing Danny Lux Original Music Cynthia E. Hill Production Design Linda Spheeris Set Decoration Dorothy Amos Costume Design Sara Isaacson Casting Eric Souliere Casting