Guest Stars Pamela Salem as Toos Miles Fothergill as S.V.7 Mark Cooper as Robot Russell Hunter as Uvanov John Bleasdale as Robot David Bailie as Dask David Collings as Poul Gregory de Polnay as D.84 Mark Blackwell Baker as Robot Peter Langtry as Robot Jeremy Ranchev as Robot Richard Seager as Robot Brian Croucher as Borg Tariq Yunus as Cass Tania Rogers as Zilda Rob Edwards as Chub