The Sound Of Drums

Episode Title:
The Sound Of Drums

Written By:
Russel T Davies

Starring:
David Tennant - Doctor
Freema Agyeman - Martha Jones
John Barrowman - Captain Jack Harkness
John Simm - The Master

Alien:
The Master, Toclofane

Air Date:
23rd June 2007

Synopsis:
Harry Saxon becomes Prime Minister, and his reign of terror begins, in the penultimate episode of Russell T Davies' Doctor Who. This is only the start of his ambitions, however, as he announces mankind's first contact with an alien race, the Toclafane. An audacious plan, spanning the whole of time and space, begins to close around the Earth.