A nuclear explosion causes chaos in space, in this British made-for-television sci-fi thriller. The moon seems to be headed for disaster after a nuclear explosion sends it out of orbit and heading for a black sun. Some stranded moon-base personnel may be doomed -- unless someone comes to their rescue. ~ Bernadette McCallion, All Movie Guide
Cast
Barbara Bain - Dr. Helena Russel; Roy Dotrice - Commissioner Simmonds (1975); Clifton Jones - David Kano; Martin Landau - Commander John Koenig; Zienia Merton - Sandra Benes; Nick Tate - Alan Carter; Barry Morse - Professor Victor Bergman (1975); Prentis Hancock - Paul Morrow