Reparto (por orden de créditos)
Ken Bastida
Self - Anchor
Dana King
Michael Sean Erickson
Self - Interviewee
Charlotte Laws
Self
Douglas Vakoch
Self - Doug Vakoch, PhD, METI International President
Elizabeth Cook
Self - Elizabeth Cook, Anchor
Frank Drake
Self - Frank Drake, PhD, Astronomer & Astrophysicist
Juliette Goodrich
Self - Juliette Goodrich, Anchor
Andrew Fraknoi
Self - Andrew Fraknoi, Astronomer
Katerina Wong
Self - Katerina Wong, Choreographer
Alicia Adams
Self - Alicia Adams, Stargazer
Maria Medina
Sydnie Kohara
Self - Anchor (2003-)
Betty Yu
Self - Reporter (2013-)
Wendy Tokuda
Self - Anchor (1978-1992, 2008-)
John Kessler
