- Jodie Whittaker (The Doctor)
- Mandip Gill (Yasmin 'Yaz' Khan)
- John Bishop (Dan Lewis)
Episode: The Doctor, the Widow and the Wardrobe Prequel
Air Date: 2011-12-06
Runtime: 1 min
Watch an exclusive jaw-dropper prequel to the 2011 Christmas Special, written by Steven Moffat and starring Matt Smith.