| Name (Sort) | Character (Sort) | |
| •Jason Hawes | played | Himself ~ (Founder of TAPS and Lead Investigator) (10Eps.) |
| •Grant Wilson (2) | played | Himself ~ (Co-Founder of TAPS and Lead Investigator) (10Eps.) |
| •Steve Gonsalves | played | Himself ~ (Technical Manager/Advisor and Evidence Analyst) (10Eps.) |
| •Brian Harnois | played | Himself ~ (Technical Advisor and Case Manager) ~ (S01-S03) |
| •Andy Andrews (1) | played | Himself ~ (nvestigator) ~ (S01-S03) |
| •Dave Tango | played | Himself ~ (Investigator) (9Eps.) |
| •Paula Donovan | played | Herself ~ (Research & Development) |
| •Donna Lacroix | played | Herself ~ (Case Manager) ~ (S01-S03) |
| •Kris Williams | played | Herself ~ (Investigator) (S03 ~ (previously recurring)) (8Eps.) |
| •Brian Bell (2) | played | Himself ~ (Systems Manager) ~ (S02) |
| •Carl Johnson (2) | played | Himself ~ (Demonologist) ~ (S01) |
| •Dustin Pari | played | Himself ~ (Technical Advisor / Field Researcher) |
| •Heather Drolet | played | Herself ~ (Field investigator) |
| •Keith Johnson (2) | played | Himself ~ (Demonologist) ~ (S01) |
| •Kristyn Gartland | played | Herself ~ (Field Researcher/Investigator)~ (S01-S03 Now recurring) (4Eps.) |
| •Krystin Allen | played | Herself ~ (Field Researcher) ~ (S02) |
| •Mike Rowe | voiced | Himself ~ (Announcer) (2Eps.) |