Name	Known for
Jack Fortune Self - Narrator (voice) Self - Narrator (voice) See fewer	Cardiac Arrest (1994)
Fritz Benedict Self (as Dr. Fritz Benedict) Self (as Dr. Fritz Benedict) See fewer	Horizon (I) (1964)
Andrew Collier Cameron Self (as Dr. Andrew Collier Cameron) Self (as Dr. Andrew Collier Cameron) See fewer	Horizon (I) (1964)
George Gatewood Self (as Dr. George Gatewood) Self (as Dr. George Gatewood) See fewer	Undaunted: The Forgotten Giants of the Allegheny Observatory (2012)
Greg Henry Self (as Dr. Greg Henry) Self (as Dr. Greg Henry) See fewer	No Limits (2014)
Keith Horne Self (as Professor Keith Horne) Self (as Professor Keith Horne) See fewer	LA Story: I'm Wrecked (2013)
Geoff Marcy Self (as Professor Geoff Marcy) Self (as Professor Geoff Marcy) See fewer	Extreme Universe (2010)
Michel Mayor Self (as Professor Michel Mayor) Self (as Professor Michel Mayor) See fewer	Astronogeek (2015)
Didier Queloz Self (as Dr. Didier Queloz) Self (as Dr. Didier Queloz) See fewer	Astronogeek (2015)