Name	Known for
Kevin H. Baines Self - Planetary Scientist (as Kevin Baines) Self - Planetary Scientist (as Kevin Baines) See fewer	Nova (1974)
James F. Bell Self - Planetary Scientist, Arizona State Unifversity (as Jim Bell) Self - Planetary Scientist, Arizona State Unifversity (as Jim Bell) See fewer	Nova (1974)
Bill Birnes Self - Author, ' The Day After Roswell' (as William J. Birnes) Self - Author, ' The Day After Roswell' (as William J. Birnes) See fewer	The Riverman (2004)
Bill Clinton Self - Former President of the United States (archive footage) Self - Former President of the United States (archive footage) See fewer	The President Is Missing
Marc D'Antonio Self - Astronomer and Image Analyst Self - Astronomer and Image Analyst See fewer	The Proof is Out There (2021)
Erik Dellums Narrator Narrator See fewer	Homicide: Life on the Street (1993)
Sam Durrance Self - Physicist and Space Scientist Self - Physicist and Space Scientist See fewer	NASA's Unexplained Files (2012)
Laurence Garvie Self - Meteorite Expert Self - Meteorite Expert See fewer	Meteorite Men (2009)
Matt Genge Self - Planetary Scientist Self - Planetary Scientist See fewer	How the Earth Was Made (2009)
Kevin R. Grazier Self - Planetary Scientist (as Kevin Grazier) Self - Planetary Scientist (as Kevin Grazier) See fewer	Escape Room: Tournament of Champions (2021)
Todd Hoeksema Self - Astronomer (as J. Todd Hoeksema) Self - Astronomer (as J. Todd Hoeksema) See fewer	Nova (1974)
Richard Hoover Self - Ex-NASA Astrobiologist Self - Ex-NASA Astrobiologist See fewer	Naked Science (2004)
Wayne Jaeschke Self - Amateur Astronomer Self - Amateur Astronomer See fewer	NASA's Unexplained Files (2012)
Bruce Jakosky Self - Principal Investigator, MAVEN Program Self - Principal Investigator, MAVEN Program See fewer	Nova (1974)
Pascal Lee Self - Planetary Scientist Self - Planetary Scientist See fewer	Passage to Mars (2016)
Alfred McEwen Self - Planetary Geologist Self - Planetary Geologist See fewer	Mars: The Movie (1989)
Chris McKay Self - Astronomer Self - Astronomer See fewer	The Mars Underground (2007)
James E. Oberg Self - Space Historian (as Jim Oberg) Self - Space Historian (as Jim Oberg) See fewer	The Apollo Chronicles (2019)
Efrain Palermo Self - Image Analyst Self - Image Analyst See fewer	NASA's Unexplained Files (2012)
Nick Pope Self - Military Analyst Self - Military Analyst See fewer	Contacto Extraterrestre (2013)
Jerry Pournelle Self - Sci-Fi Writer and Former Weapons Designer Self - Sci-Fi Writer and Former Weapons Designer See fewer	Janissaries
Peter H. Schultz Self - Planetary Scientist (as Peter Schultz) Self - Planetary Scientist (as Peter Schultz) See fewer	Ancient Aliens (2009)
Seth Shostak Self - Chief Image Analyst, MUFON Self - Chief Image Analyst, MUFON See fewer	The Day the Earth Stood Still (2008)
Allan Treiman Self - Phd., Meteor Specialist Self - Phd., Meteor Specialist See fewer	NASA's Unexplained Files (2012)
Chandra Wickramasinghe Self - Astrobiologist (as Chandra Wickramsinghe) Self - Astrobiologist (as Chandra Wickramsinghe) See fewer	The Unexplained Files (2013)