Based on a script by Russell T Davies, this brand-new adventure for Doctor Who’s 60th Anniversary features David Tennant as the Fourteenth Doctor and Catherine Tate as Donna Noble. One-time Doctor Who , Torchwood and The Sarah Jane Adventures script editor Gary Russell has written books on subjects such as Doctor Who , Frasier , The Simpsons and The Lord of the Rings movies. He is currently overseeing animated reimaginings of old 1960s missing Doctor Who stories for BBC Studios.