- John Barrowman (Jack Harkness)
- Eve Myles (Gwen Cooper)
- Alexa Havins (Esther Drummond)
- Mekhi Phifer (Rex Matheson)
- Bill Pullman (Oswald Danes)
- Kai Owen (Rhys Williams)
Torchwood — S1E4
Episode: Cyberwoman
Air Date: 2006-11-05
Runtime: 50 min
Overview
A Ianto themed episode Ianto Jones hides a very big secret at Torchwood - his half-converted girlfriend from the Canary Wharf Battle - down in the basement. He is quick to hire a Japanese doctor who believes he can "cure" her. But things soon go wrong, and the Cyberwoman's destructive powers are released to the whole of Torchwood. Upgrading is compulsary.