| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Barbara Kopple | Crew | Production | Executive Producer | 6 |
 Christophe Beck | Crew | Sound | Music | 6 |
 Greg Berlanti | Crew | Production | Executive Producer | 6 |
 Paul Morantz | Crew | Crew | Thanks | 1 |
Eduardo Fierro | Crew | Camera | Director of Photography | 6 |
 Lesley Chilcott | Crew | Directing | Director, Executive Producer | 6 |
 Sarah Schechter | Crew | Production | Executive Producer | 6 |
 Leo Birenberg | Crew | Sound | Music | 6 |
Willa Yudell | Crew | Sound | Music Supervisor | 6 |
Jill Burkhart | Crew | Production | Executive Producer | 6 |
Michael Wright | Crew | Production | Executive Producer | 6 |
Logan Schneider | Crew | Camera | Director of Photography | 6 |
Steve Prestemon | Crew | Editing | Editor | 6 |
Eli Frankel | Crew | Production | Executive Producer | 6 |
Erika Kennair | Crew | Production | Producer | 6 |
Mike Darnell | Crew | Production | Executive Producer | 6 |
Brooke Karzen | Crew | Production | Executive Producer | 6 |
Rebecca Halpern | Crew | Production | Supervising Producer | 6 |
 Bobby Beausoleil | Cast | Actor | Self - Former Family Member (voice) | 4 |
 Catherine Share | Cast | Actress | Self - Former Family Member | 5 |
 Charles Manson | Cast | Actor | Self (archive footage) | 6 |
 Dennis Wilson | Cast | Actor | Self (archive footage) | 2 |
 Lyndon B. Johnson | Cast | Actor | Self (archive footage) | 1 |
 Lynette Fromme | Cast | Actress | Self - Former Family Member (archive footage) | 2 |
 Martin Luther King Jr. | Cast | Actor | Self (archive footage) | 1 |
 Michael Caine | Cast | Actor | Self (archive footage) | 1 |
 Peter Coyote | Cast | Actor | Self - Actor, Diggers Early Core Member | 1 |
 Roman Polanski | Cast | Actor | Self - Widower of Sharon Tate (archive footage) | 2 |
 Ronald Reagan | Cast | Actor | Self (archive footage) | 1 |
 Sharon Tate | Cast | Actress | Self (archive footage) | 3 |
 Stokely Carmichael | Cast | Actor | Self (archive footage) | 1 |
 Terry Melcher | Cast | Actor | Self - Music Producer (archive footage) | 1 |
 Timothy Leary | Cast | Actor | Self (archive footage) | 1 |
Vincent Bugliosi | Cast | Actor | Self - Deputy District Attorney (archive footage) | 2 |
 Linda Kasabian | Cast | Actress | Self - Former Family Member (archive footage) | 3 |
 Patricia Krenwinkel | Cast | Actress | Self - Former Family Member (archive footage) | 2 |
 Voytek Frykowski | Cast | Actor | Self (archive footage) | 1 |
 Jay Sebring | Cast | Actor | Self (archive footage) | 2 |
 Susan Atkins | Cast | Actress | Self - Former Family Member (archive footage) | 2 |
Barbara Hoyt | Cast | Self - Former Family Member (archive footage) | 1 | |
 Jeff Guinn | Cast | Self - Author | 5 | |
Phil Kaufman | Cast | Actor | Self - Fellow Manson Inmate | 2 |
 Dianne Lake | Cast | Actress | Self - Former Family Member | 5 |
Gregg Jakobson | Cast | Actor | Self - Music Producer | 4 |
Brooks Poston | Cast | Actor | Self - Former Family Member (archive audio) | 4 |
 Sandra Good | Cast | Actress | Self - Former Family Member (archive footage) | 1 |
 Leslie Van Houten | Cast | Actress | Self - Former Family Member (archive audio) | 1 |
 Kimberlé Crenshaw | Cast | Actress | Self - Civil Rights Expert | 1 |
Abigail Folger | Cast | Self (archive footage) | 1 | |
 Johnny Echols | Cast | Actor | Self - Lead Guitarist, Love | 2 |
Bill Robles | Cast | Actor | Self - Courtroom Illustrator | 1 |
 Tex Watson | Cast | Actor | Self - Former Family Member (archive footage) | 1 |
Stephen Kay | Cast | Self - Deputy District Attorney | 1 | |
Steve Oney | Cast | Actor | Self - Journalist | 1 |
David Felton | Cast | Actor | Self - Journalist | 2 |
David Smith | Cast | Actor | Self - Haight Ashbury Clinic Founder | 1 |
Domenic Priore | Cast | Actor | Self - Author | 1 |
Allan Swerdloff | Cast | Actor | Self - Artist | 1 |
| Person | Type | Job | Role(s) | Episodes |
