David Duchovny

Self - Host

Martin K.A. Morgan

Self - Historian & Author

Sami Jarroush

Self - Historian

Don Wildman

Self - Historian

Andy Bustamante

Self - Former Covert CIA Officer

Hakeem Oluseyi

Self - Physicist

Yohuru Williams

Self - Professor of History

Nehemiah Mabry

Self - Engineer & Former NASA Researcher

Paul Springer

Self - Military Historian

Brandy Schillace

Self - Science Writer, Self - Medical Historian

Tracy Walder

Self - Former CIA Officer & FBI Special Agent

Amy Shira Teitel

Self - Aerospace Historian, Self - Science Writer

Jack Murphy

Self - Former Army Special Operations

Greg Jackson

Self - Creator & Host of History That Doesn't Suck

James Patton Rogers

Self - Military Historian

Todd Tucker

Self - Former Naval Officer & Historian, Self - Author, Atomic America, Self - Former Submarine Officer & Historian