On screen
Cast
22 credited performers
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
Artwork unavailable
Ann Castle
Sister Evans
Jean Lodge
Barbara Gough
Artwork unavailable
Ann Martin
Sister Kelly
Artwork unavailable
Tony Wall
Ted
Artwork unavailable
Peter Thomas
Harry
Mark Kingston
Morgan
Artwork unavailable
Emrys Leyshon
Sergeant Williams
Artwork unavailable
Leonard Cracknell
Lloyd
Stephanie Bidmead
Elaine
Norman Mitchell
Lorry Driver
Artwork unavailable
Peter Sinclair
Old Joe
Artwork unavailable
Diane Aubrey
Telephone Operator
Artwork unavailable
John Tate
Dundy