Trespassers 4

 was a full cast audio anthology released in May 2025 by Big Finish Productions. It featured Neve McIntosh as Madame Vastra, Catrin Stewart as Jenny Flint and Dan Starkey as Strax.

Publisher's summary
The intergalactic investigators have new mysteries to uncover but somehow they all seem to have something in common. Who, or what, are the Trespassers?

to be added

Featured actors

 * Catrin Stewart
 * Neve McIntosh
 * Dan Starkey