Christopher Naylor

 was a voice actor who portrayed several roles in Big Finish audio stories.

The First Doctor Adventures

 * The Great White Hurricane - Policeman / Man with Ladder / Gang Member / Henry
 * The Barbarians and the Samurai - Captain Hamilton

The Eighth Doctor: The Time War

 * The Lords of Terror - Guard
 * Planet of the Ogrons - Ogron

The Diary of River Song

 * Whodunnit? - Lord Simon Whist / Captain Bartholomew / Discordia Underling
 * The Lifeboat and the Deathboat - Number Two / Computer / James