Roger Parrott

 was a voice actor for Big Finish Productions.

His highest profile role is likely that of Neville Chamberlain in.

AudioGo

 * Babblesphere - Aurelius

Gallifrey

 * Mindbomb - Lord Delox
 * Appropriation - Lord Delox

Main Range

 * The Settling - Dr. Goddard
 * Blood on Santa's Claw - Toad

Iris Wildthyme

 * Iris Rides Out - Sir Donald Marshall