Carlo Adamo as Father Dennis

Hannah Mae Beatty as Debbie Glatzel

David Glanzer as Self

Debbie Glatzel as Self

Foster Hamilton as David Glatzel

Adam Hunt as Arne Cheyenne Johnson

Arne Cheyenne Johnson as Self

Kathy Rupcic as Judy Glatzel

Victor Serfaty as Ed Warren

Susannah Spearin as Lorraine Warren

Beckett Stortini as Carl Glatzer Jr.

Raine Van Elsacker as Alan Glatzel

Mike D. Smith as Demon (uncredited)

Tony Spera as Self (archive footage) (uncredited)

Ed Warren as Self (archive footage) (uncredited)

Lorraine Warren as Self (archive footage) (uncredited)