Name	Known for
Michio Kaku Self - Author, The Future of Humanity (as Michio Kaku Ph.D.) Self - Author, The Future of Humanity (as Michio Kaku Ph.D.) See fewer	Accidental Truth: UFO Revelations (2023)
Bill Birnes Self - Co-Author, The Day After Roswell (as Bill Birnes Ph.D.) Self - Co-Author, The Day After Roswell (as Bill Birnes Ph.D.) See fewer	The Riverman (2004)
Kirsten Fisher Self - Biologist, Cal State Univ. Los Angeles (as Kirsten Fisher Ph.D.) Self - Biologist, Cal State Univ. Los Angeles (as Kirsten Fisher Ph.D.) See fewer	Ancient Aliens (2009)
Joshua Cutchin Self - Author, A Trojan Feast Self - Author, A Trojan Feast See fewer	The Lady of the Lake (2023)
Linda Moulton Howe Self - Investigative Journalist, Earthfiles Self - Investigative Journalist, Earthfiles See fewer	A Strange Harvest (1980)
Michael Dennin Self - Physicist, Univ. of California, Irvine (as Michael Dennin Ph.D.) Self - Physicist, Univ. of California, Irvine (as Michael Dennin Ph.D.) See fewer	Hangar 1: The UFO Files (2014)
William Henry Self - Author / Investigative Mythologist Self - Author / Investigative Mythologist See fewer	Ancient Aliens (2009)
Amir Hussain Self - Prof. Theological Studies, Loyola Marymount University (as Amir Hussain Ph.D.) Self - Prof. Theological Studies, Loyola Marymount University (as Amir Hussain Ph.D.) See fewer	Ancient Aliens (2009)
Whitley Strieber Self - Author, Communion Self - Author, Communion See fewer	The Day After Tomorrow (2004)
Giorgio A. Tsoukalos Self - Publisher, Legendary Times Magazine Self - Publisher, Legendary Times Magazine See fewer	Ancient Aliens: Special Presentation (2022)
David Childress Self - Author: Technology of the Gods Self - Author: Technology of the Gods See fewer	The Reset
Nick Redfern Self - Author, Immortality of the Gods Self - Author, Immortality of the Gods See fewer	Three Men Seeking Monsters
Jim Vieira Self - Co-Author, Giants on Record Self - Co-Author, Giants on Record See fewer	Expedition Unknown (2015)
Jonathan Young Self - Founding Curator, Joseph Campbell Archives (as Jonathan Young Ph.D.) Self - Founding Curator, Joseph Campbell Archives (as Jonathan Young Ph.D.) See fewer	Ancient Aliens (2009)
Robert Clotworthy Narrator (voice) Narrator (voice) See fewer	Red Notice (2021)
J. Allen Hynek Self - Astronomer / Project Blue Book (archive footage) Self - Astronomer / Project Blue Book (archive footage) See fewer	Close Encounters of the Third Kind (1977)
Joe Simonton Self - UFO / Alien Witness (archive footage) Self - UFO / Alien Witness (archive footage) See fewer
Zecharia Sitchin Self (archive footage) Self (archive footage) See fewer	Quando gli dei crearono l'uomo (2019)