Discover
Original Release
06/05/1972
Cast
| Name | Character |
|---|
| John Paul | Dr Spencer Quist / Dr. Spencer Quist |
| Simon Oates | Dr. John Ridge |
| Elizabeth Weaver | Dr. Anne Tarrant |
| John Bown | Commander Neil Stafford |
| John Barron | The Minister |
| Joby Blanshard | Colin Bradley |
| Vivien Sherrard | Barbara Mason |
| Michael Elwyn | Richard Duncan |
| Henry Knowles | Dr. Richard Poole |
| John Berryman | Reporter |
Directors
Writers
Terence Dudley, Gerry Davis, Kit Pedler
Cast
| Name | Character |
|---|
| John Paul | Dr Spencer Quist / Dr. Spencer Quist |
| Simon Oates | Dr. John Ridge |
| Elizabeth Weaver | Dr. Anne Tarrant |
| John Bown | Commander Neil Stafford |
| John Barron | The Minister |
| Joby Blanshard | Colin Bradley |
| Vivien Sherrard | Barbara Mason |
| Michael Elwyn | Richard Duncan |
| Henry Knowles | Dr. Richard Poole |
| John Berryman | Reporter |
| Marcelle Samett | Bystander |
| Julia Hand | Bystander |
| Caroline Rogers | Julie |
| Frank Singuineau | Chemist |
| John Drake | Police Sergeant |
| Jonathan Pryce | Police Constable |
| David Waterman | Police Constable |
| Eric Longworth | Prison Officer Clarke |
| Talfryn Thomas | Prisoner Warren |
| Clifford Cox | Radio Operator |
Producers
| Name | Role |
|---|
| Terence Dudley | Producer |
