• 

  Mike Bratton

  饰：Narrator

• 

  Rhys Morgan

  饰：Himself - Phd., Director of Education , Royal Academy of Enginee

• 

  Amy Shira Teitel

  饰：Self - Spaceflight Historian

• 

  Norman Foster

  饰：Self - Architect

• 

  Mike Bannister

  饰：Self - Former Chief Pilot of the Concorde

• 

  Alfred Castillo Jr.

  饰：Self - Civil Engineer