Discover
Original Release
06/19/1972
Cast
| Name | Character |
|---|
| Anthony Andrews | Carlos |
| John Barron | The Minister |
| Joby Blanshard | Colin Bradley |
| John Bown | Commander Neil Stafford |
| Hugh Cross | Prof. Frank Holman |
| Peter Halliday | Rafael Dominguez |
| Alan Hockey | Lawson |
| Peter King | Eddie |
| Sean Lynch | Williams |
| Maria O'Brien | Susan Proud |
Directors
Writers
Gerry Davis, Kit Pedler, Martin Worth
Cast
| Name | Character |
|---|
| Anthony Andrews | Carlos |
| John Barron | The Minister |
| Joby Blanshard | Colin Bradley |
| John Bown | Commander Neil Stafford |
| Hugh Cross | Prof. Frank Holman |
| Peter Halliday | Rafael Dominguez |
| Alan Hockey | Lawson |
| Peter King | Eddie |
| Sean Lynch | Williams |
| Maria O'Brien | Susan Proud |
| Geoffrey Palmer | Chief Supt. Mallory |
| John Paul | Dr Spencer Quist / Dr. Spencer Quist |
| Hugh Ross | Ian |
| Leslie Schofield | Harry |
| Paul Seed | Michael Pratt |
| Vivien Sherrard | Barbara Mason |
| Elisabeth Sladen | Sarah Collins |
| Adrian Wright | David |
| John Nolan | Geoff Hardcastle |
| Simon Oates | Dr. John Ridge |
Producers
| Name | Role |
|---|
| Terence Dudley | Producer |
