| The Doctor | Nicholas Briggs |
| Greg | Richard Marson |
| Doctor Kranten | Ann O'Neil |
| Chi'ian Rayden | Antony Dexter |
| Ria | Patricia Merrick |
| Anton Luther | Andrew Beech |
| Channon | Suzanne Barrett |
| Draconian Ambassador | Colin Brake |
| Kantrian Commissioner | Jason Haigh-Ellery |
PRODUCTION
Recorded and Edited By
Jim Mortimore
Music By
Owen Parker
Producer
William Baggs