Emre Sahin
饰:Himself - Astrophysicist
饰:Damla
饰:Lisa Martines
饰:School Student
饰:Co-worker 2
配:Self - Narrator
饰:Self - Author
David Brin
饰:Self - Astronomer, Author
饰:(as Kevin Grazier)
饰:(as Jeffrey Bada)
饰:(as Charles Campos)
Ray Chao
饰:Chief Asian Astronomer
Nicole Nasca Supercinski
饰:(as Nicole Nasca Supercinski)
饰:Self - Senior Astronomer, SETI Institute
饰:Self - Author
James Clayton
饰:(as James D Thomas)
Gene Richards
饰:Patient
Lars Lindberg Christensen
Gavin Heffernan
Clint Lealos
Lars Lindberg Christensen
Gavin Heffernan