Threshold (audio story)

Threshold was the first Big Finish Productions audio drama in the Counter-Measures series.

Publisher's summary
A missing scientist and ghostly phenomena bring Gilmore and Allison to a factory in Bermondsey, and the discovery of a science that should not exist. As Rachel Jensen returns to help them, a new future for Counter-Measures is set in motion...

Cast

 * Group Captain Ian Gilmore - Simon Williams
 * Professor Rachel Jensen - Pamela Salem
 * Dr. Allison Williams - Karen Gledhill
 * Sir Toby Kinsella - Hugh Ross

Story notes

 * Simon Williams (Ian Gilmore), Pamela Salem (Rachel Jensen) and Karen Gledhill (Allison Williams) all reprise their roles from DW: Remembrance of the Daleks. Salem had previously played Lish Toos in DW: The Robots of Death and provided one of the voices of Xoanon in DW: The Face of Evil whereas Williams subsequently played Paul Addison and Shara in BFA: Nekromanteia, Lord Ruthven in JAL: The Ruthven Inheritance and the Guardian in BFA: The Guardian of Prophecy.
 * Hugh Ross (Sir Toby Kinsella) previously played Reverend Merodach in CC: Night's Black Agents and Robert Stretton in BFA: Industrial Evolution.

Continuity

 * Jensen refers to the Shoreditch Incident in November 1963. (DW: Remembrance of the Daleks)

Timeline

 * Threshold occurs after DW: Remembrance of the Daleks
 * Threshold occurs before CM: Artificial Intelligence