Colossal Machines [Portuguese]

Alejandro Mejia

Self - Forensic Engineer, CEP Forensic

Dave Williams

Self - Former Space Shuttle Astronaut, NASA & CSA

Garnet Williams

Self - Narrator

Brooke Guzar

Self - Structural Engineer, Blackwell

Steve Remilli

Self - Project Manager, McMaster Maufacturing Research Institute

Jamil Shariff

Self - Astrophysicist, Space Systems Engineer