Guest Stars David Collings as Poul Mark Cooper as Robot Pamela Salem as Toos Russell Hunter as Uvanov John Bleasdale as Robot David Bailie as Dask Gregory de Polnay as D.84 Miles Fothergill as S.V.7 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