| Name | Character | Episodes |
|---|---|---|
| Jonathan Bennett | Self - Host | 40 |
| Todd Tucker | Self - Judge | 20 |
| Justin Willman | Self - Host | 16 |
| Zak Bagans | Self - Host | 15 |
| Don Mancini | Self - Judge | 5 |
| Tom Savini | Self - Judge | 4 |
| Cassandra Peterson | Self - Guest Judge | 3 |
| Carlson Young | Self - Guest Judge | 1 |
| Robert Patrick | Self - Guest Judge | 1 |
| Jackson Rathbone | Self - Guest Judge | 1 |
| Tony Todd | Self - Guest Judge | 1 |
| Shane West | Self - Guest Judge | 1 |
| Colman Domingo | Self - Guest Judge | 1 |
| Bryan Fuller | Self - Guest Judge | 1 |
| Elizabeth Tulloch | Self - Guest Judge | 1 |
| Gaten Matarazzo | Self - Guest Judge | 1 |
| Caleb McLaughlin | Self - Guest Judge | 1 |
| Danielle Harris | Self - Guest Judge | 1 |
| Marisol Nichols | Self - Guest Judge | 1 |
| Sean Gunn | Self - Guest Judge | 1 |
| Bex Taylor-Klaus | Self - Guest Judge | 1 |
| Sid Haig | Self - Guest Judge | 1 |
| Robin Atkin Downes | Self - Guest Judge | 1 |
| Rob Zombie | Self - Guest Judge | 1 |
| Scout Taylor-Compton | Self - Guest Judge | 1 |
| R.L. Stine | Self - Guest Judge | 1 |
| Guillermo Díaz | Self - Guest Judge | 1 |
| Adi Shankar | Self - Guest Judge | 1 |
| Harley Quinn Smith | Self - Guest Judge | 1 |
| Katie Sarife | Self - Guest Judge | 1 |
| Francia Raísa | Self - Guest Judge | 1 |
| Jeremy Ray Taylor | Self - Guest Judge | 1 |
| Chaske Spencer | Self - Guest Judge | 1 |
| Jocelin Donahue | Self - Guest Judge | 1 |
| Jaime King | Self - Guest Judge | 1 |
| Shawnee Smith | Self - Guest Judge | 1 |
| Fiona Dourif | Self - Guest Judge | 1 |
| Sara Canning | Self - Guest Judge | 1 |
| John Kassir | Self - Guest Judge | 1 |
| Lew Temple | Self - Guest Judge | 1 |
| Derek Mears | Self - Guest Judge | 1 |
| Mick Garris | Self - Guest Judge | 1 |
| Gregory Plotkin | Self - Guest Judge | 1 |
| Rutina Wesley | Self - Guest Judge | 1 |
| Naomi Grossman | Self - Guest Judge | 1 |
| Juliet Landau | Self - Guest Judge | 1 |
| Benjamin Papac | Self - Guest Judge | 1 |
| LeeAnna Vamp | Self - Guest Judge | 1 |
| Charlaine Harris | Self - Guest Judge | 1 |