The people of moonbase Alpha encounter something that is unlike anything they have encountered before:a machine that is alive and sentinent.
Elenco:
Martin Landau
,
Barbara Bain
,
Catherine Schell
,
Barry Morse
,
Tony Anholt
,
Nick Tate
,
Prentis Hancock
,
Zienia Merton
,
Clifton Jones
,
Anton Phillips
.