Алонсо Бодден
В роли: Self - Former Airplane Mechanic, Current Comedian
Jessi Combs
В роли: Self - Metal Fabricator, Race Car Driver
Dave Farina
В роли: Self - Chemistry Professor, Professor Dave Explains
Kyle Hill
В роли: Self - Science Editor, Nerdist
Leland Melvin
В роли: Self - Astronaut, Materials Scuence Engineer
Andy Wood
В роли: Self - Engineer and Comedian