Actori
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Eric MeyersHimself - Narrator (11 episodes, 2013) -
James MeigsHimself - Editor-in-Chief, Popular Mechanics (9 episodes, 2013)
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George WunderlichHimself - National Museum of Civil War Medicine (9 episodes, 2013)
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James MeigsHimself - Editor-in-Chief, Popular Mechanics (9 episodes, 2013)
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Mehmet OzHimself - New York Presbyterian Hospital (5 episodes, 2013) -
Richard MachowiczHimself - Military Expert & Former Navy Seal (7 episodes, 2013) -
Lars Arentz-HansenWilliam Parsons (1 episode, 2013)
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Mike LoadesHimself - Militarian Historian (8 episodes, 2013)
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Sam SheridanHimself - Author, A Fighter's Heart (7 episodes, 2013)
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Alberto CamarilloHimself - Stanford University (5 episodes, 2013)
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Ian MorrisHimself - Stanford University (6 episodes, 2013)
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Mark FrauenfelderHimself - Editor-in-Chief, Make (5 episodes, 2013)
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Timothy BrookHimself - University of British Columbia (6 episodes, 2013)
