Cast 18

1. 

   Will Smith

   Self - Host (archive footage)

2. Felipe Gómez Gómez

   Self - Astrophysicist (archive footage)

3. 

   Heïdi Sevestre

   Self - Glaciologist (archive footage)

4. 

   Chris Hadfield

   Self - Astronaut (archive footage)

5. 

   Mae Jemison

   Self - Astronaut (archive footage)

6. Rosa Maria dos Santos

   Self - Climatologist (archive footage)

7. Kidane Belay

   Self - Salt Trader (archive footage)

8. Nelson Gadea

   Self - Head Doctor, La Rinconada (archive footage)

9. Jerry Linenger

   Self - Astronaut (archive footage)

10. 

    Jeffrey A. Hoffman

    Self - Astronaut (archive footage)

11. Beth Whitson

    Self - Peggy's Mother (archive footage)

12. Keith Whitson

    Self - Peggy's Father (archive footage)

13. Pak Naspin

    Self - Freediver (archive footage)

14. Peggy Whitson

    Self - Astronaut (archive footage)

15. 

    Nicole Stott

    Self - Astronaut (archive footage)

16. 

    Michael J. Massimino

    Self - Astronaut (archive footage)

17. Abel Méndez

    Self - Planetary Astrobiologist (archive footage)

18. Leland Melvin

    Self - Astronaut (archive footage)

Troupe 10