Skeptical forensic psychologist Kristen Bouchard joins priest-in-training David Acosta and technology expert Ben Shakir as they investigate supposed miracles, demonic possessions, and other extraordinary occurrences to assess for a scientific explanation or if something truly supernatural is at work.
| Actor | Role |
|---|---|
 Katja HerbersDr Kristen Bouchard | Dr Kristen Bouchard |
 Mike ColterDavid Acosta | David Acosta |
 Aasif MandviBen Shakir | Ben Shakir |
 Michael EmersonDr Leland Townsend | Dr Leland Townsend |
 Brooklyn ShuckLynn Bouchard | Lynn Bouchard |
 Skylar GrayLila Bouchard | Lila Bouchard |
 Maddy CroccoLexis Bouchard | Lexis Bouchard |
 Dalya KnappLaura Bouchard | Laura Bouchard |
 Andrea MartinSister Andrea | Sister Andrea |
 Kurt FullerDr. Kurt Boggs | Dr. Kurt Boggs |
 Christine LahtiSheryl Luria | Sheryl Luria |
 Marti MatulisThe Manager / Quareen / Hairy Demon | The Manager / Quareen / Hairy Demon |