출연진
Edward Judd
Dr. Mike Vernon
Yoko Tani
Leader of the Lystrians
Valerie Gearon
Dr. Claire Harland
Lyndon Brook
Brian Carter
Ric Young
The Lystrian
Tsai Chin
Nurse Lim
Barrie Ingham
Major Muncaster
Anthony Sharp
Lawrence Blackburn
Glyn Houston
Police Sergeant Draycott
Ann Castle
Jean Lodge
Ann Martin
Tony Wall
Peter Thomas
Mark Kingston
Emrys Leyshon
Leonard Cracknell
Stephanie Bidmead
Norman Mitchell
Peter Sinclair
Diane Aubrey