Target... Earth?

Victor Buono

Homer The Archivist

Rick Overton

Ino The Computer (voice)

Carl Sagan

Self

Isaac Asimov

Self

Eugene Cernan

Self (archive footage)

Bernard J. Carr

Self (as Dr. Bernard Carr)

Frank Drake

Self (as Dr. Frank Drake)

Ronald E. Evans

Self (archive footage)

Joost Van Rees

Réalisation

Iris Van Rees

Scénario