Will Smith
Self - Host (archive footage)
Felipe Gómez Gómez
Self - Astrophysicist (archive footage)
Heïdi Sevestre
Self - Glaciologist (archive footage)
Chris Hadfield
Self - Astronaut (archive footage)
Mae Jemison
Self - Astronaut (archive footage)
Rosa Maria dos Santos
Self - Climatologist (archive footage)
Kidane Belay
Self - Salt Trader (archive footage)
Nelson Gadea
Self - Head Doctor, La Rinconada (archive footage)
Jerry Linenger
Self - Astronaut (archive footage)
Jeffrey A. Hoffman
Self - Astronaut (archive footage)
Beth Whitson
Self - Peggy's Mother (archive footage)
Keith Whitson
Self - Peggy's Father (archive footage)
