Penny Palmer
Director/a
Jem Stansfield
Self - Presenter
Bob Cava
Self - AT&T Bell Labs, New Jersey (archiveFootage)
Boris Feigelson
Self - Diamond Scientist (archiveFootage)
Don Huffman
Self - University of Arizona (archiveFootage)
Andy Kaldor
Self - Exxon Research & Engineering (archiveFootage)