Austin Rogers (Self - Jeopardy! All Star), Sami Jarroush (Self - Historian), Paul Sutter (Author / Self - Physicist), Kathleen Tracy (Historian / Self - Author), Adam Richman (Author / Self - TV Host), Daniel Dickrell (Self - Mechanical Engineer), Henny Admoni (Self - Robotics Professor at Carnegie Mellon University), Martin K.A. Morgan (Historian / Self - Author), Hakeem Oluseyi (Author / Self - Astrophysicist), Bryant Simon (Historian / Self - Author)