- 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 — S4E10
Episode: The Blood Line
Air Date: 2011-09-15
Runtime: 56 min
Overview
As the Torchwood team launch a final, desperate mission against the seemingly undefeatable Three Families, they realize it may come down to the ultimate sacrifice.