Windy Bucklee
Self - Ranch hand, Spahn Ranch
Robert Burbridge
Self - Former LAPD Officer
Sandra Good
Self - Member of the Manson Family (archive footage)
Ronnie Howard
Self - Susan Atkins's Former Cellmate (archive footage)
Nancy Jordan
Self - Friend of the Manson Family
Stephen R. Kay
Self - Prosecutor, Manson Trial
Thomas A. Phillips
Self - Manson's Former Cellmate 1961-1967 (archive footage)
Nancy Pitman
Brooks Poston
Self - Former Member of the Manson Family (archive footage)
Don Ward
Self - Deputy Sheriff, Inyo County, California (archive footage)
Dianne Lake
Self - Former Member of the Manson Family
Aesop Aquarian
Paul Watkins
Lynette Fromme
Bobby Beausoleil
Self - Former Associate of the Manson Family (voice)
Charles Manson
Self (archive footage)
Zoë Wanamaker
Narrator
Catherine Share
The Crown
The Windsors
Slow Horses
Tess d'Urberville
Les Tudors
Daniel Deronda
Killing Eve
La Noble Maison
Gunpowder, Treason & Plot
The White Queen
De grandes espérances
Les Piliers de la Terre : Un monde sans fin
Most Dangerous Game
New Amsterdam
Cunk on...
The Line of Beauty
Tipping the Velvet
La Chronique des Bridgerton
Dans l'ombre des Tudors
Racines