A freak accident leaves two dangerously unstable spacecraft locked together, and a horde of monsters unleashed on their passengers.
Tom Baker
Lalla Ward
David Brierly
Lewis Fiander
David Daker
Geoffrey Bateman
Jennifer Lonsdale
Stephen Jenn
Richard Barnes
Barry Andrews
Geoffrey Hinsliff
Peter Craze
Annet Peters
Lionel Sansby
Maggie Petersen
Sebastian Stride
Eden Phillips