Discover
Original Release
05/23/1969
Cast
| Name | Character |
|---|
| Marius Goring | Prof. John Hardy |
| Ann Morrish | Dr. Jo Hardy |
| Victor Winding | Det. Chief Insp. Fleming |
| Valerie Murray | Sandra Hughes |
| Geoffrey Chater | Tom Caldicott |
| Gabrielle Daye | Mrs. Dowdall |
| James Drake | Sgt. Grainger |
| Vivienne Drummond | Helen Hillman |
| John Gabriel | Maurice Bergmann |
| Peter Howell | Jack Colbourne |
Directors
Writers
Creators
Cast
| Name | Character |
|---|
| Marius Goring | Prof. John Hardy |
| Ann Morrish | Dr. Jo Hardy |
| Victor Winding | Det. Chief Insp. Fleming |
| Valerie Murray | Sandra Hughes |
| Geoffrey Chater | Tom Caldicott |
| Gabrielle Daye | Mrs. Dowdall |
| James Drake | Sgt. Grainger |
| Vivienne Drummond | Helen Hillman |
| John Gabriel | Maurice Bergmann |
| Peter Howell | Jack Colbourne |
| Catherine Lacey | Esther Hillman |
| Mercia Mansfield | Woman mourner |
| Hildegard Neil | Dorothy Hillman |
| Maxwell Shaw | David Hillman |
Producers
| Name | Role |
|---|
| Gerard Glaister | Producer |
