Mike Bratton
В роли: Narrator (голос)

Dankmar Adler
В роли: Self - Engineer (хроника)

Klaus Cappel
В роли: Self - Engineer (хроника)

Karl Jansky
В роли: Self - Engineer, Bell Labs (хроника)

William LeMessurier
В роли: Self - Architect

Ryan S. Lynch
В роли: Self - Astronomer, Green Bank Observatory

Jen Masengarb
В роли: Self - Chicago Architecture Foundation

Rhys Morgan
В роли: Self - Director of Education - Royal Academy of Engineering

Kate Mulcahy
В роли: Self - Science Communicator

Elisha Otis
В роли: Self - Inventor (хроника)

Bo Peng
В роли: Self - Professor, Deputy Manager - FAST Project

Dennis Poon
В роли: Self - Lead Structural Engineer & Vice Chairman of Thornton Tomasetti

Suzie Sheehy
В роли: Self - Phd., Accelerator Physicist - University of Oxford (как Suzie Sherry)

Andrew Steele
В роли: Self - Phd., Physicist

William Sansome Tucker
В роли: Self - Acoustic Physicist (хроника)

Jun Xia
В роли: Self - Lead Designer

Ming Zhu
В роли: Self - Head of FAST science group