- Philip Madoc - Commander Anton Gorski
- Lon Satton - Benjamin Ouma
- Eric Carte - Eddie Collins
- Clifton Jones - David Kano
- Patrick Allen - Luna Commission Chairman
- Christopher Matthews - Main Mission Operator
- Charles Crichton
- Lee H. Katzin
-
Christopher Penfold, George Bellak
- Sylvia Anderson
- Gerry Anderson
Capítulo disponible en las siguientes plataformas: