How the Universe Works

Mike Rowe

Narrator· 38 ep

Erik Dellums

Himself - Narrator· 25 ep

Michelle Thaller

Self - Astronomer· 25 ep

Phil Plait

Self - Astronomer· 25 ep

Nina Lanza

Self - Planetary Scientist· 19 ep

Hakeem Muata Oluseyi

Self - Astrophysicist· 19 ep

Moogega Cooper

Self - Planetary Protection Engineer· 19 ep

Jani Radebaugh

Self - Planetary Scientist· 19 ep

Dan Durda

Self - Planetary Scientist· 19 ep

Kevin J. Walsh

Self - Astronomer· 19 ep

Paul M Sutter

Self - Astrophysicist· 19 ep

James S. Bullock

Self - Astrophysicist· 11 ep

Chris Mckay

Self - Astrobiologist· 10 ep

Carly Howett

Self - Planetary Scientist· 10 ep

Amber Straughn

Self - Astrophysicist· 10 ep

Max Tegmark

Self - Theoretical Physicist· 10 ep

Alex Philippenko

Self - Astrophysicis· 10 ep

Katie Freese

Self - Cosmologist· 10 ep

Grant Tremblay

Self - Astrophysicist· 10 ep

Chiara Mingarelli

Self - Astrophysicist· 10 ep

Lawrence Krauss

Himself· 6 ep

Michio Kaku

Himself· 6 ep

Albert Einstein

Himself (Archive footage)· 5 ep

Richard Lintern

Himself - Narrator· 1 ep