Derek Griffiths

Derek Griffiths voiced several characters in various Big Finish Doctor Who audio stories and spin-offs.

Eighth Doctor Adventures

 * Brave New Town - Jason Taylor

Graceless

 * The Line - Manchu Golding

Tales from New Earth

 * Death in the New Forest - Xylem Maple Dorm

Torchwood One

 * Locker 15 - Dave