Discover
Original Release
03/09/1970
Cast
| Name | Character |
|---|
| John Paul | Dr Spencer Quist / Dr. Spencer Quist |
| Simon Oates | Dr. John Ridge |
| Robert Powell | Tobias Wren |
| Joby Blanshard | Colin Bradley |
| Wendy Hall | Pat Hunnisett |
| Nigel Stock | Commander Charles Keeping |
| Robert James | Barker |
| Hildegard Neil | Dr. Stella Robson |
| Philip Brack | Jack Foster |
| Erik Chitty | Old Man |
Directors
Writers
N.J. Crisp, Gerry Davis, Kit Pedler
Cast
| Name | Character |
|---|
| John Paul | Dr Spencer Quist / Dr. Spencer Quist |
| Simon Oates | Dr. John Ridge |
| Robert Powell | Tobias Wren |
| Joby Blanshard | Colin Bradley |
| Wendy Hall | Pat Hunnisett |
| Nigel Stock | Commander Charles Keeping |
| Robert James | Barker |
| Hildegard Neil | Dr. Stella Robson |
| Philip Brack | Jack Foster |
| Erik Chitty | Old Man |
| John Linares | Young Man |
| Peter Hawkins | Computer |
| Derek Chafer | Man |
| Gary Dean | Man |
| Bill Leonard | Man |
| Jay Neill | Man |
| David Pelton | Man |
| Margaret Pilleau | Computer Technician |
| Peter Roy | Man |
| John Nolan | Geoff Hardcastle |
Producers
| Name | Role |
|---|
| Terence Dudley | Producer |
