Driven by instinct, he freezes Mark Dominix, Hilary Preston and the security guard dead until he makes his way to the greatest source of heat on Alpha— one of its Nuclear Generating Plants.
To highlight the utterly alien nature of the unknown life-force, the regular Barry Gray score was replaced by abstract electronic compositions drawn from the music library.
During a story conference with executive producer Gerry Anderson, Byrne rethought the concept, with both men agreeing the entity should instead be following an evolutionary imperative unconnected to human emotion or understanding.
To emphasise the truly alien aspect of the life-force, Bryne set the action against the very human domestic life of Anton and Eva Zoref.
[5] ITC executives insisted Byrne add the sequence where Koenig and Bergman speculate the entity's evolutionary cycle might be that of a developing star, hoping to provide some explanation for its actions.
While appearing on an American news programme, Martin Landau was confronted by a fellow guest personality, actor Buster Crabbe (star of the 1930s Flash Gordon and Buck Rogers serials).
Ball's adaptation is true to the story, but some liberties are taken: (1) Suffering from a bout of depression, Koenig has become a recluse after his experience on Zenno (as seen in "Missing Link").