Ruth Madeley

 (born 4 August 1987 ) voiced the Sixth Doctor's companion Hebe Harrison in several audio stories from Big Finish Productions.

The Sixth Doctor Adventures

 * Water Worlds
 * The Rotting Deep
 * The Tides of the Moon
 * Maelstrom
 * Purity Undreamed
 * The Mindless Ones
 * Reverse Engineering
 * Chronomancer