John Heffernan

 was a voice actor best known for playing the Renegade Time Lord calling himself the Nine in their ninth incarnation.

Credits
As the Nine

Doom Coalition

 * The Crucible of Souls

Ravenous

 * Companion Piece

Special Releases

 * The Legacy of Time
 * Relative Time

Main Range

 * Revenge of the Swarm - Vonchef

The Seventh Doctor: The New Adventures

 * The Trial of a Time Machine - Honos