The Sonomancer (audio story)

 was the fourth audio story in the anthology Doom Coalition 2. It starred Paul McGann as the Eighth Doctor and Nicola Walker as Liv Chenka.

Publisher's summary
On the other side of the galaxy a mining company is exploiting the already unstable planet of Syra for every precious mineral it contains. River Song is attempting to save the native people. She needs the Doctor’s help, but she also knows he mustn’t yet discover her true identity. The final confrontation sees the Doctor once again face his enemy the Eleven in an attempt to prevent the destruction of Syra and the genocide of its inhabitants.

Plot
to be added

Cast

 * The Doctor - Paul McGann
 * Liv Chenka - Nicola Walker
 * Helen Sinclair - Hattie Morahan
 * River Song - Alex Kingston
 * The Eleven - Mark Bonnar

Continuity

 * This incarnation would later encounter River Song in an encoded radio transmission, when she was under the pseudonym of Miss Spritz. (AUDIO: The Rulers of the Universe)