Follows the Golden State Killer, a serial rapist and murderer who terrorized California during the 1970s and '80s.
| Actor | Role |
|---|---|
 Vincent GalloJoseph James DeAngelo | Joseph James DeAngelo |
 James FrancoNot listed | Not listed |
 Ted RooneyDr. Reyes | Dr. Reyes |
 Anna CampbellHannah | Hannah |
 Larry ClarkeDefense Attorney | Defense Attorney |
 Dana MillicanMcMurtry | McMurtry |
 Darin CooperCouncil | Council |
 Jeb BerrierChief Walker | Chief Walker |
| RRosemary OlsenVictim | Victim |
| TTimothy M. HillBartender Mike | Bartender Mike |
| TTaylor StillwellDorothy | Dorothy |
| MMark PettetDetective | Detective |