Kevin H. Baines
В роли: Self - Phd., NASA Planetary Scientist (как Kevin Baines)
Дэвид Брин
В роли: Self - Sci-Fi Author, and Astrophysicist
Joseph Dwyer
В роли: Self - Professor, Atmospheric Scientist
Ningyu Liu
В роли: Self - Professor, Atmospheric Scientist
Peter Read
В роли: Self - Professor, Atmospheric Scientist
Otha Vaughan
В роли: Self - Ex-NASA Atmospheric Scientist, and Aurthor (как Skeet Vaughan)