M.H.W. Brands
В роли: Self - Phd., Prof. of History, Texas University at Austin

William E. Burns
В роли: Self - Phd., Professor of History, George Washington University

Paul Fjeld
В роли: Self - NASA LEM Specialist

Francis French
В роли: Self - Author, 'In the Shadow of the Moon' (как Fracis French)

Paul Israel
В роли: Self - Phd., Dir., The Thomas Edison Papers, Rutgers University

Джэми Калер
В роли: Self - Host

Allan Lichtman
В роли: Self - Phd., Professor of History, American University (как Allan J. Lichtman)

Blair McCormick
В роли: Self - Phd., Professor of Management, Baylor University

Amy Shira Teitel
В роли: Self - Space Flight Historian

John Van Horne
В роли: Self - Phd., Director, Library Company of America

Ken Walsh
В роли: Self - Author, 'Air Force One'