- Jodie Whittaker (The Doctor)
- Mandip Gill (Yasmin 'Yaz' Khan)
- John Bishop (Dan Lewis)
Episode: The Doctor's Daughter
Air Date: 2008-05-10
Runtime: 48 min
The Doctor lands on the remote planet Messaline as an age-old war rages and the threat of genocide looms. When Martha is kidnapped by the Hath, the Doctor is distracted by "the most important woman in his life."