主演：David Tennant David Morrissey Dervla Kirwan Velile Tshabalala Ruari Mears Paul Kasey Edmund Kente Michael Bertenshaw
简介：The TARDIS lands in London on Christmas Eve, 1851 and almost immediately the Doctor hears his name being called. When he meets the woman shouting for him she fails to recognise him and continues calling until another man arrives and claims to be the Docto