Director
Don Leaver
DIRECTOR
Writer
John Lucarotti
WRITER
Berkely Mather
Stars (in credits order)
Robin Bailey
Col. Alan Renton
Katharine Blake
Dr. Barbara Finch
Peter Copley
Prof. Meredith
Jo Rowbottom
Dolly Cheevers
Margaret Ashcroft
Miss Reynolds
Richard Coleman
Insp. Truick
Mark Eden
Dr. Leosser
Bruce Montague
Ferris
Frank Peters
Sergeant
Michael Robbins
PC Dumphy
Michael Graham Cox
Astronaut
Michael Darlow
Local
Hugh Dickson
Dr. Bender
Mary Kay
Nurse
William Kendrick
Police driver
Richard Pescud
Technician
Royston Tickner
Peter Vaughan
Dr. Read
Donald Webster
George Martin
Neil Wilson
Ben Agnew
