Name	Known for
Mike Rowe Self - Narrator (voice) Self - Narrator (voice) See fewer	Dirty Jobs (2005)
Kathryn Bywaters Self - Astrobiologist Self - Astrobiologist See fewer	How the Universe Works (2010)
Jessie Christiansen Self - Astrophysicist Self - Astrophysicist See fewer	All Illusions Must Be Broken (2024)
Lewis Dartnell Self - Astrobiologist Self - Astrobiologist See fewer	Size Matters (2018)
Dan Durda Self - Planetary Scientist Self - Planetary Scientist See fewer	Alternate Universe: A Rescue Mission (2016)
Carly Howett Self - Planetary Scientist Self - Planetary Scientist See fewer	Solar System (2024)
Nina Lanza Self - Planetary Scientist Self - Planetary Scientist See fewer	How the Universe Works (2010)
Hakeem Oluseyi Self - Astrophysicist Self - Astrophysicist See fewer	The Stars in My Soul
Phil Plait Self - Astronomer Self - Astronomer See fewer	Arrival (II) (2016)
Jani Radebaugh Self - Planetary Scientist Self - Planetary Scientist See fewer	How the Universe Works (2010)
Simon Sheridan Self - Rosetta Scientist Self - Rosetta Scientist See fewer	How the Universe Works (2010)
Paul M. Sutter Self - Astrophysicist Self - Astrophysicist See fewer	UFO (2018)
Michelle Thaller Self - Astronomer Self - Astronomer See fewer	Spaceship Spitzer: The Slowlian Web (2008)
Kevin Walsh Self - Astronomer Self - Astronomer See fewer	How the Universe Works (2010)