Martin Landau and Barbara Bain reprise their "Space: 1999" series roles in this tale of a dangerous mission in outer space. Maya: Catherine Schell. Tony: Tony Anholt. Alan: Nick Tate. Sandra: Zienia Merton. Ben: Jeffrey Kissoon. Diana: Toby Robins. Guido: Stuart Damon. Jack: Jeremy Young. Also called "Destination: Moonbase Alpha."