| Cast list | | Christopher Lee | as | Dr. Mandeville | | Joan Collins | as | Sarah | | Robert Hardy | as | Edward/Andrew | | Herbert Lom | as | Prescott | | Jane Birkin | as | Alta | | Carleton Hobbs | as | Old Marr | | Jennifer Thanisch | as | Jessica | | Michael McVey | as | Francis | | Jean Marsh | as | Victoria | | Martin Boddey | as | Police sergeant | | Roy Evans | as | Baxter | | John Glyn-Jones | as | Bank manager | | John Levene | as | Doctor | | Barry Linehan | as | Gatekeeper | | Linda Gray | as | Woman on hill |
| | Crew list: | | Don Sharp (Director) | | Ed Brennan (Writer) | | Joseph Van Winkle (Writer) |
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