| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Justin Cece | Crew | Editing | Editor | 1 |
Thibaut Rigeot | Crew | Editing | Editor | 2 |
Bruce Burger | Crew | Editing | Editor | 3 |
Ryo Ikegami | Crew | Editing | Editor | 1 |
Izhar Harpaz | Crew | Production | Producer | 1 |
Daniel Bregman | Crew | Production | Producer | 2 |
 Charles Manson | Cast | Actor | Self (archive footage) | 1 |
 Gianni Versace | Cast | Actor | Self (archive footage) | 1 |
 Lester Holt | Cast | Actor | Self - Correspondent | 2 |
 O.J. Simpson | Cast | Actor | Self (archive footage) | 1 |
 Kate Snow | Cast | Actress | Self - Host | 6 |
 Keith Morrison | Cast | Actor | Self - Correspondent | 8 |
 Natalie Morales | Cast | Actress | Self - Correspondent | 1 |
 Robert Durst | Cast | Actor | Self (archive footage) | 1 |
 Andrea Canning | Cast | Actress | Self - Correspondent | 5 |
 Oscar Pistorius | Cast | Self (archive footage) | 1 | |
 Josh Mankiewicz | Cast | Actor | Self - Correspondent | 3 |
Erik Menéndez | Cast | Actor | Self (archive footage) | 1 |
Lyle Menéndez | Cast | Actor | Self (archive footage) | 1 |
 Craig Melvin | Cast | Self - Host | 7 | |
 Cyril H. Wecht | Cast | Actor | Self - Forensic Pathologist | 1 |
 Dennis Murphy | Cast | Actor | Self - Correspondent | 2 |
 John Hinckley Jr. | Cast | Actor | Self (archive footage) | 1 |
Warren Jeffs | Cast | Self (archive footage) | 1 | |
| Person | Type | Job | Role(s) | Episodes |
