Aliens: The Definitive Guide - Production & Contact Info

Name	Episodes	Known for
Paul Essiembre Self - Narrator Self - Narrator See fewer	2	Nobody (I) (2021)
Michio Kaku Self - Theoretical Physicist, City University of New York Self - Theoretical Physicist, City University of New York See fewer	2	Accidental Truth: UFO Revelations (2023)
Kevin Warwick Self - Cyberneticist, University of Reading Self - Cyberneticist, University of Reading See fewer	2	The Unbelieveable with Dan Aykroyd (2023)
Paul Davies Self - Physicist, Arizona State University Self - Physicist, Arizona State University See fewer	2	Alien Encounters (2012)
Lewis Dartnell Self - Astrobiologist, University College, London Self - Astrobiologist, University College, London See fewer	2	Size Matters (2018)
Douglas Vakoch Self - Director of Interstellar Message Composition, SETI Institute Self - Director of Interstellar Message Composition, SETI Institute See fewer	2	Rendezvous with the Future (2022)
Geoff Marcy Self - Astronomer, University of California, Berkeley Self - Astronomer, University of California, Berkeley See fewer	2	Extreme Universe (2010)
Chris McKay Self - Astrobiologist, NASA Ames Research Center Self - Astrobiologist, NASA Ames Research Center See fewer	1	The Mars Underground (2007)
Carlton Allen Self - Astromaterials Curator, NASA Johnson Space Center Self - Astromaterials Curator, NASA Johnson Space Center See fewer	1	Aliens: The Definitive Guide (2013)
Sara Seager Self - Planetary Scientist, Massachusetts Institute of Technology Self - Planetary Scientist, Massachusetts Institute of Technology See fewer	1	Solis (2018)
Mike Zolensky Self - Mineroloist, NASA Johnson Space Center Self - Mineroloist, NASA Johnson Space Center See fewer	1	Meteorite Men (2009)
Lee Cronin Self - Chemist, University of Glasgow Self - Chemist, University of Glasgow See fewer	1	Alien Encounters (2012)
Les Johnson Self - Physicist, NASA Advanced Concepts Office Self - Physicist, NASA Advanced Concepts Office See fewer	1	Solis (2018)
John Pye Self - Astrophysicist, University of Leicester Self - Astrophysicist, University of Leicester See fewer	1	Aliens: The Definitive Guide (2013)
Michael Barratt Self - Astronaut, NASA Johnson Space Center Self - Astronaut, NASA Johnson Space Center See fewer	1	One Nation Under Canada
Andrew Siemion Self - Astrophysicist, University of California, Berkeley Self - Astrophysicist, University of California, Berkeley See fewer	1	Horizon (I) (1964)
Dan Werthimer Self - SETI Chief Scientist, University of California, Berkeley Self - SETI Chief Scientist, University of California, Berkeley See fewer	1	The Marriage of a Scientist (2023)
Harold White Self - Physicist, NASA Johnson Space Center Self - Physicist, NASA Johnson Space Center See fewer	1	How the Universe Works (2010)
Sriram Kosuri Self - Biological Engineer, Wyss Institute, Harvard University Self - Biological Engineer, Wyss Institute, Harvard University See fewer	1	Aliens: The Definitive Guide (2013)
Charles Cockell Self - Astrobiologist, University of Edinburgh Self - Astrobiologist, University of Edinburgh See fewer	1	Nina Goes to Mars
Jan Zalasiewicz Self - Paleobiologist, University of Leicester Self - Paleobiologist, University of Leicester See fewer	1	#Powerplant (2019)
Rupert Graves Narrator Narrator See fewer	1	Sherlock (2010)