Эрик Мейерс
В роли: Self - Narrator (голос)

Mike Loades
В роли: Self - Militarian Historian

Сэм Шеридан
В роли: Self - Author, A Fighter's Heart

Richard Machowicz
В роли: Self - Military Expert & Former Navy Seal (как Richard 'Mack' Machowicz)

Jim Meigs
В роли: Self - Editor-in-Chief, Popular Mechanics

Энтони Хоровиц
В роли: Self - Author, The Devil and His Boy

Mark Frauenfelder
В роли: Self - Editor-in-Chief, Make

Henry Louis Gates
В роли: Self - Harvard University (как Henry Louis Gates)

Alberto Camarillo
В роли: Self - Stanford University

Джон Лассетер
В роли: Self - Chief Creative Officer, Walt Disney & Pixar Animation Studios

Nell Irvin Painter
В роли: Self - Author, The History of White People

Steven Johnson
В роли: Self - Author, Where Good Ideas Come From

Кэтрин Хоу
В роли: Self - Author, The House of Velvet and Glass