Authorities all over the world say UFOs are real, but what are they, and are they a threat? This series examines the best and latest evidence caught on camera.
Mark Bazeley
Self - Narrator (voice)
Guy Walters
Self - Historian
Tony McMahon
Self - Historian
Luis Elizondo
Self - Former US Intelligence Official
Karen Bellinger
Self - Anthropologist Archaeologist
Thomas Gadinger
Self - Science Journalist
Linda Rodriguez-McRobbie
Self - Journalist
Evidence of the Unexplained - Trailer
