Dan Aykroyd, Don Wildman, Holly Frey, Adam Richman
Edward T. O'Donnell (Self - Historian, College of the Holy Cross), Sami Jarroush (Self - Historian), Joseph Dituri (Self - Biomedical Engineer), Austin Rogers (Self - Jeopardy! All Star), Yohuru Williams (Self - Professor, University of St. Thomas), Rebecca Leib (Self - True Crime Podcaster), Thor Hanson (Author), David Mizejewski (Self - Naturalist, National Wildlife Federation), Syra Madad (Self - Infectious Disease Epidemiologist), Hakeem Oluseyi (Author)