George Asprey

George Asprey played several roles in various Big Finish Doctor Who audio stories and spin-offs.

Ravenous
As Ravenous
 * Seizure
 * Deeptime Frontier
 * The Odds Against - Glitch
 * Planet of Dust
 * Day of the Master - Kolstani 1

Tenth Doctor Adventures

 * Infamy of the Zaross - Leader

Third Doctor Adventures

 * The Hidden Realm - Overseer Zim

The Diary of River Song

 * Time in a Bottle - Melak
 * Kings of Infinite Space - Melak

The New Counter-Measures

 * Nothing to See Here - Balthazar Schrek