Rob Bell (Self - Mechanical Engineer), Luke Bisby (Self - Structural Engineer, University Of Edinburgh), Davide Capello (Self - Survivor), Daniel Dickrell (Self - Mechanical Engineer, University of Florida), Asegun Henry (Self - Mechanical Engineer, MIT), Andrew Herrman (Self - Former President, American Society of Civil Engineers), Guglielmo Mattioli (Self - New York Time Journalist), Mocean Melvin (Narrator - self), Riccardo Morandi (Self - Architect), Sian Proctor (Self - Geoscientist & Disaster Specialist)