Guest Stars Robert Gillespie as Frank Goff David Horovitch as Tom Fitzroy Rocky Taylor as Cybernaut Eric Carte as Terry Gwen Taylor as Doctor Marlow Robert Lang as Felix Kane Oscar Quitak as Malov Sally Bazely as Laura Ray Armstrong as 1st Guard Basil Hoskins as Professor Mason Pearl Hackney as Mrs. Weir Martin Fisk as 2nd Guard Davina Taylor as Tricia
