she says. "Green, were they?" he replies, "I didn't really notice that." Cast Starring Martin Landau — Commander John Koenig Barbara Bain — Doctor Helena Russell Also starring Catherine Schell — Maya Featuring Nick Tate — Captain Alan Carter Guest stars Ina Skriver – A Sarah Douglas – B Also featuring Robert Rietti – Sphere (voice) John Hug – Fraser David Sebastian Bach – Guardian's brother Sarah Bullen – Kate Albin Pahernik – Creature Yasuko Nagazumi – Yasko References External links Space: 1999 - "The AB Chrysalis" - The Catacombs episode guide Space: 1999 - "The AB Chrysalis" - Moonbase Alpha's Space: 1999 page 1976 British television episodes Space: 1999 episodes