Sword of Orion
Sword of Orion is a Big Finish Productions audio drama based on the long-running British science fiction television series Doctor Who. This audio drama was broadcast on BBC 7 in four weekly parts starting from 3 September 2005, and was repeated in 2006. The story is adapted from the Audio Visuals audio drama of the same name.

Cast
The Doctor — Paul McGann
Charley Pollard — India Fisher
Thinnes — Mark Gatiss
Digly — Barnaby Edwards
Ike — Ian Marr
Grash — Bruce Montague
Vol — Hylton Collins
Deeva Jansen — Michelle Livingstone
Chev — Helen Goldwyn
Kelsey — Toby Longworth
Cybermen — Nicholas Briggs, Alistair Lock

Outside references
The play's name refers to the stars in the constellation of Orion that form the figure's sword.  In the play, it also refers to a secret military project.

External links
Big Finish Productions - Sword of Orion

Sword of Orion on Tardis Data Core,  an external wiki