Roger Leopardi

Self - Narrator (voice)

Amy Shira Teitel

Self - Spaceflight Historian

Joshua P. Warren

Self - Paranormal Investigator

Lee Speigel

Self - Journalist, Huffington Post

Nick Redfern

Self - Author & Researcher

Mike Bara

Self - Writer & Lunar Researcher

Danielle Y. Wyrick

Self - Planetary Geologist

Ron Collins

Self - Lunar Researcher

Don Ecker

Self - Broadcaster & Researcher

Vito Saccheri

Self - Petroleum Engineer