| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 John Dahl | Crew | Directing | Director | 1 |
 John McNamara | Crew | Writing | Writer, Creator | 1 |
 Jonas Pate | Crew | Directing | Director | 2 |
 Rafael Yglesias | Crew | Writing | Writer | 1 |
 Sera Gamble | Crew | Production | Executive Producer, Writer | 26 |
 Matt Hickman | Crew | Production | Location Manager | 2 |
 Ambyr Childers | Cast | Actress | Sadie | 13 |
 Andy Umberger | Cast | Actor | Howard | 3 |
 Brian Poth | Cast | Actor | Chris | 1 |
 Brían F. O'Byrne | Cast | Actor | Ken Karn | 13 |
 Chance Kelly | Cast | Actor | Detective Ed Cutler | 13 |
 Clare Carey | Cast | Actress | Lucille Gladner | 7 |
 Cynthia Sikes | Cast | Actress | Betty Goodale | 1 |
 David Duchovny | Cast | Actor | Detective Sam Hodiak | 26 |
 David Proval | Cast | Actor | Danilo | 1 |
 Don Luce | Cast | Actor | 3 | |
 Evan Arnold | Cast | Actor | 2 | |
 JD Cullum | Cast | Actor | H.R. Haldeman | 1 |
 Judy Kain | Cast | Actress | Mitzi | 1 |
 Matthew Arkin | Cast | Actor | Detective Blumenthal | 1 |
 Milauna Jackson | Cast | Actress | Kristin Shafe | 13 |
 Peter MacKenzie | Cast | Actor | Sean Boyle | 1 |
 Rick Worthy | Cast | Actor | 2 | |
 Scott Bailey | Cast | Actor | Bobby Kennedy | 1 |
 Spencer Garrett | Cast | Actor | HALL BANNING | 1 |
 Beau Mirchoff | Cast | Actor | Rick Donovan | 1 |
 Gethin Anthony | Cast | Actor | Charles Manson | 26 |
 Inger Tudor | Cast | Actress | Winifred Chapman | 1 |
 Jayme Lynn Evans | Cast | Actress | Tracy Kimball | 1 |
 Joe Williamson | Cast | Actor | Bill Copley | 1 |
 Marshall Allman | Cast | Actor | Robbie Arthur | 3 |
 Monique Barajas | Cast | Femme de ménage | 13 | |
 Nick Toren | Cast | Actor | Phil Gleason | 1 |
 Yaani King Mondschein | Cast | Actress | wanda | 1 |
 Yetide Badaki | Cast | Actress | Rita Carter | 1 |
 Candace Hammer | Cast | Actress | Sheryl | 1 |
 Chase Coleman | Cast | Actor | Terry Melcher | 1 |
 Claire Holt | Cast | Actress | Charmain Tully | 26 |
 Emma Dumont | Cast | Actress | Emma Karn | 26 |
 Grey Damon | Cast | Actor | Brian Shafe | 26 |
 Jarrett Sleeper | Cast | Actor | Sabovich | 1 |
 Madisen Beaty | Cast | Actress | Patricia Krenwinkel | 13 |
 Michaela McManus | Cast | Actress | Grace Karn | 13 |
 Ryan Caldwell | Cast | Martin O'Reilly | 1 | |
 Andy Favreau | Cast | Actor | Dennis Wilson | 1 |
 Cameron Deane Stewart | Cast | Actor | Tex Watson | 13 |
 Doug Simpson | Cast | Actor | Coroner Spring | 1 |
 Fabianne Therese | Cast | Actress | Sara | 2 |
 Jason Ralph | Cast | Actor | Mike Vickery | 7 |
Morgan McClellan | Cast | Ben Healy | 1 | |
 Whitney Rose Pynn | Cast | Actress | Minnie | 13 |
 Bryce Durfee | Cast | Actor | Jason Elkins | 1 |
 Alex Quijano | Cast | Actor | 4 | |
 Jonathan Stanley | Cast | Actor | Officer Clark | 1 |
Chris Brew | Cast | Actor | Wesley | 1 |
David Sampen | Cast | Musician | 1 | |
 Christopher Poehls | Cast | Actor | Officer Robert Ettlin | 2 |
 Zachary Mooren | Cast | Actor | Gregg Jakobson | 1 |
 Elizabeth Sampson | Cast | Actress | Mary Boyle | 1 |
Bruce M. Stockert | Cast | Actor | Man at Diner (uncredited) | 1 |
 Alison Rood | Cast | Actress | Meg Frazetta | 1 |
Toofun West | Cast | Sirhan Sirhan | 1 | |
| Person | Type | Job | Role(s) | Episodes |
