The production, streaming on Amazon Prime in the UK, stars Most Haunted and Blue Peter stalwart Yvette Fielding. Prof Avi Loeb (Harvard), Nick Pope (from Ancient Aliens), Yvette Fielding (Most Haunted), Guy Thompson (presenter), Evelyn Hollow (BBC’s Uncanny), Ian Broadmore (Demonologist), John Hanson (Great British UFO Learning Centre), Rev Daniel Thompson & Philip Kinsella (author) all feature with their take on the