The Keep (audio story)

 was the second story in the fourth series of Counter-Measures, produced by Big Finish Productions. It was written by Ken Bentley and featured Simon Williams as Ian Gilmore, Pamela Salem as Rachel Jensen, Karen Gledhill as Allison Williams, Hugh Ross as Toby Kinsella and Philip Pope as Templeton.

Publisher's summary
For many years Sir Toby has used the Keep — the most secure and secret prison in England — to hide away incredibly dangerous threats to the country. But now two prisoners are attempting to escape — and they're not the only ones.

Plot
to be added

Cast

 * Group Captain Gilmore - Simon Williams
 * Rachel Jensen - Pamela Salem
 * Allison Williams - Karen Gledhill
 * Sir Toby Kinsella - Hugh Ross
 * Templeton - Philip Pope
 * William Heaton - Richard Hope
 * The Captain- Oscar Pearce
 * Sergeant West / Shurik Barkov - Dominic Rowan
 * Professor Jeffery Burridge - Adrian Lukis

Worldbuilding
to be added

Continuity

 * Broderick's actions at the Sen-Gen Facility are mentioned, and used on him to sedate him. (AUDIO: Artificial Intelligence)
 * Allison has fully recovered from her ordeal at her father's farm (AUDIO: The Forgotten Village) thanks to the substance she was forced to ingest at New Horizons. (AUDIO: New Horizons)