cast
-
Donald Houston
Dr David Caulder
-
Ralph Bates
Dr Michel Lebrun
- Fiona Gaunt Dr Helen Smith
- Barry Lowe Tom Hill
- Cy Town Technician
- Christine Bradwell Ingrid
-
John Hallam
Dr Peter Conway
-
Tom Kempinski
Dr Stephen Partness
-
Madhav Sharma
Rao
-
Garrick Hagon
Bruno Ponti / Bruno Bertoli
- Peter Bathurst Director General
-
Peter Miles
Professor Heinz Laubenthal
- Jürgen Andersen Per Bengtson