Traitors' Gate (audio story)

 was the second story in the audio anthology Masters of Time, produced by Big Finish Productions. It was written by Sarah Grochala and featured Jemma Redgrave as Kate Stewart, Ingrid Oliver as Petronella Osgood, James Joyce as Josh Carter and Chris Lew Kum Hoi as Jimmy Tan.

Publisher's summary
Osgood is a prisoner in the Tower of London, which is now a Vulpreen base. To rescue her friend, Kate must devise a plan to raid her former headquarters.

Inside the Tower, the Vulpreen are determined to access the Black Archive and the hugely dangerous alien technology it contains. How long can Osgood keep them out?

Plot
to be added

Cast

 * Kate Stewart - Jemma Redgrave
 * Osgood - Ingrid Oliver
 * Josh Carter - James Joyce
 * Sorgan - Harriet Kershaw
 * Ashley Bassett - Stewart Scudamore
 * Jimmy Tan - Chris Lew Kum Hoi
 * Varliss - Alisdair Simpson
 * Lorraine Forrester - Donna Berlin
 * Vulpreen - Christopher Naylor

Continuity
to be added