Intervention Earth (audio story)

Intervention Earth was a standalone release following the sixth series of Big Finish's Gallifrey audio series.

Publisher's summary
Times change…

Romana is approaching her final term of office, and hopes to leave her world in a state of peace and harmony. Narvin is concerned about the implementation of a controversial Precog programme, one that seeks to predict the Time Lords’ future. Ace is an operative for the Celestial Intervention Agency, having learned the art of interference from one of the best…

And somewhere, across the stars, an ancient force is stirring: one of the Time Lords’ greatest heroes is returning to our universe. But he may also prove to be their greatest threat.

When the history of Earth is threatened, and an ancient conspiracy reaches the heart of Time Lord government, can even Romana’s closest allies truly be trusted?

Time will tell… but by then, it may already be too late.

Part One
On a CIA mission, Ace returns to her TARDIS to find the presence of Rexx Endrogan, who has been assigned to Ace by the High Council. He explains that events are spiralling out of the Time Lords' control and the universe is in jeapordy. He relays a message from Romana, which explains an anomaly in Mutter's Spiral is growing exponentially.

Cast

 * Romana - Juliet Landau
 * Ace - Sophie Aldred
 * Narvin - Seán Carlsen
 * Omega - Stephen Thorne
 * Lukas - Scott Arthur
 * Rexx - Gyles Brandreth
 * Tauras - Daniel Brocklebank
 * Vale Endrogan - Laura Doddington
 * Sol - Rachel Atkins
 * Min - Toby Longworth
 * Merkis - Andrew Pepper
 * Irving Braxiatel - Miles Richardson (uncredited)

Continuity

 * Ace has no recollection of how she first came to Gallifrey, but suspects that it must involve the Doctor. (AUDIO: UNIT: Dominion, The New Adventures of Bernice Summerfield)
 * Ace refers to the chameleon circuit not being "a tatty old blue police box."
 * Secrety societies on Gallifrey were dedicated to the worship of Rassilon, Omega, and the Other. (PROSE: Lungbarrow)