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