off—just as the volcanic crater erupts beneath it. Carter fights for control as the growing tectonic stresses blow the planet apart. Eagle Four makes contact with Moonbase, and the Frasers enjoy a sweet reunion over the TV monitor. During this, Koenig and Helena comfort Maya. The girl is inconsolable, devastated by the loss of her entire existence. They invite her to make a new life for herself on Alpha. Maya believes anywhere but on Psychon she will be an alien. Koenig replies, 'We're all aliens...until we get to know one another.' Cast Starring Martin Landau — Commander John Koenig Barbara Bain — Doctor Helena Russell Also Starring Catherine Schell — Maya Featuring Tony Anholt — Tony Verdeschi Nick Tate — Captain Alan Carter Zienia Merton — Sandra Benes Guest Stars Brian Blessed — Mentor Anoushka Hempel — Annette Fraser Also Featuring John Hug — Astronaut Bill Fraser Gerard Paquis — Lew Picard Peter Porteous — Petrov Nick Brimble — Astronaut Ray Torens Anton Phillips — Doctor Bob Mathias Uncredited Artists Robert Reeves — Peter Sarah Bullen — Kate George Lane Cooper — First Overseer Alf Joint — Second Overseer Reuben Martin — Maya/Gorilla Roy Stewart - Alien Miner Jenny Cresswell — Alpha Information Girl Music An original score was composed for this episode by Derek Wadsworth. Wadsworth, a jazz trombonist and composer, had been engaged to compose the score for the Gerry Anderson live-action television special The Day After Tomorrow. (Also known as Into Infinity, it was intended as a back door pilot episode for a new science-fiction series.) As Wadsworth's modern style, with its strong beat, would complement the new Space: 1999'''s action-adventure format, he was chosen as the composer for the second series. Production Notes In October 1975, in the midst of pre-production on its second series, Sir Lew Grade informed executive producer Gerry Anderson that Space: 1999 would be cancelled unless extensive changes in form and content were made. Anderson and new producer Fred Freiberger brainstormed, proposing a drastic retooling to broaden its appeal to the American audience (and hopefully win an American network sale). The show would become more action-oriented and present a dynamic new cast of younger regulars joining Martin Landau and Barbara Bain. At the forefront would be an alien girl whose power of 'molecular transformation' would give the show a science-fiction 'wow factor'. Based on the format change, Abe Mandell, Grade's number two