The UnXplained: Mysteries of the Universe

William Shatner

as Self - Host

Michio Kaku

as Self - Author

Michio Kaku

as Self - Theoretical Physicist

Rod Pyle

as Self - Editor-in-chief: Ad Astra Magazine

Ben McGee

as Self - Planetary Geophysicist

Graham Lau

as Self - Research Investigator: Blue Marble Space

Paul Sutter

as Self - Author, Your Place in the Universe

Paul Sutter

as Self - Theoretical Cosmologist

Rebecca Boyle

as Self - Author

Rebecca Boyle

as Self - Science Writer

Pascal Lee

as Self - Planetary Scientist, SETI Institute

Jason Wright

as Self - Prof. of Astrophysics, Penn State

Jason Wright

as Self - Prof. of Astronomy & Astrophysics, Penn State

Michael Dennin

as Self - Physicist, UC Irvine

Michael Dennin

as Self - Professor of Physics, UC Irvine

Edward Schwieterman

as Self - Prof. of Astrobiology, UC Riverside

Kalpana Pot

as Self

Anna Gülcher

as Self - Planetary Scientist, NASA JPL

Anna Gülcher

as Self - Cal-Tech

Amy Shira Teitel

as Self - Author, Fighting for Space

Amy Shira Teitel

as Self - Author, Breaking the Chains of Gravity

Veronica Bray

as Self - Prof. of Planetary Science, Univ. of Arizona

Nick Pope

as Self - UK Ministry of Defence: 1985-2006

Steven Trimble

as Self - Defense Editor: Aviation Week Magazine

Jacob Haqq Misra

as Self - Research Scientist: Blue Marble Space

Rob O'Brien

as Writer

Geoffrey Sharp

as Writer

Brian Leff

as Writer

Andy DeJohn

as Writer

Jeff Stepp

as Writer

Doug Veith

as Writer

Hal Cantor

as Writer

Clinton Edmondson

as Writer

Brian Garson

as Writer

Chris Gattanella

as Writer