Self - Host (archive footage)

Will Smith

Acting

Self - Astrophysicist (archive footage)

Felipe Gómez Gómez

Acting

Self - Glaciologist (archive footage)

Heïdi Sevestre

Acting

Self - Astronaut (archive footage)

Chris Hadfield

Acting

Self - Astronaut (archive footage)

Mae Jemison

Acting

Self - Climatologist (archive footage)

Rosa Maria dos Santos

Acting

Self - Salt Trader (archive footage)

Kidane Belay

Acting

Self - Head Doctor, La Rinconada (archive footage)

Nelson Gadea

Acting

Self - Astronaut (archive footage)

Jerry Linenger

Acting

Self - Astronaut (archive footage)

Jeffrey A. Hoffman

Acting

Self - Peggy's Mother (archive footage)

Beth Whitson

Acting

Self - Peggy's Father (archive footage)

Keith Whitson

Acting

Self - Freediver (archive footage)

Pak Naspin

Acting

Self - Astronaut (archive footage)

Peggy Whitson

Acting

Self - Astronaut (archive footage)

Nicole Stott

Acting

Self - Astronaut (archive footage)

Michael J. Massimino

Acting

Self - Planetary Astrobiologist (archive footage)

Abel Méndez

Acting

Self - Astronaut (archive footage)

Leland Melvin

Acting