Temporada 1
Mike Wolfe
Self - Presenter
Don Wildman
Self - Historian
Hakeem Muata Oluseyi
Self - Astrophysicist/Author
Marin K.A. Morgan
Self - Author/Historian
Jason Liebig
Self - Brand Historian
Sami Jarroush
Dylan Thuras
Self - Creative Director
Nehemiah Mabry
Self - Engineer/Former NASA Researcher
Dan Riskin
Self - Author/Scientist
Austin Rogers
Self - Jeopardy! Champion
Andrew Patrick Nelson
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2015
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1989
2013
1964
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2016
1998
2019
2023