Koenig desperately tries to convince the others that they're only seeing illusions and that the aliens are actually after energy that they can only get by destroying Alpha.
Elenco:
Martin Landau
,
Barbara Bain
,
Catherine Schell
,
Barry Morse
,
Tony Anholt
,
Nick Tate
,
Prentis Hancock
,
Zienia Merton
,
Clifton Jones
,
Anton Phillips
.