Tim Usborne
Director
Paul Davies
as
Self - Arizona State University
Jill Tarter
as
Self - Director of the Center for SETI Research
Dallas Campbell
as
Self - Presenter
Frank Drake
as
Self - SETI Founder
Emer Reynolds
Director
Carl Sagan
as
Himself
Lawrence Krauss
as
Himself
Frank Drake
as
Himself
John Benjamin Hickey
as
Himself - Narrator
94%