Harvey Summers

Harvey Summers performed post production, sound design, and voiced the radio announcer in the Big Finish Doctor Who audio story Whispers of Terror.

Doctor Who Main Range

 * Whispers of Terror - Radio announcer

The Time Travellers

 * The Left Hand of Darkness - music
 * The Other Side - post-production and music
 * Guests for the Night - post-production and music

Bernice Summerfield

 * Oh No It Isn't! - CD mastering
 * Beyond the Sun - music & sound design
 * Walking to Babylon - music & sound design
 * Just War - music & sound design