A chance encounter with a girl with a star in her eye leads to a terrifying chase across time and space. Bill’s mind is opened to a Universe that is bigger and more exciting than she could possibly have imagined - but who is the Doctor, and what is his secret mission with Nardole on Earth?
Elenco: Matt Smith , David Tennant , Arthur Darvill , Karen Gillan , Jenna Coleman , Peter Capaldi , Jodie Whittaker , Billie Piper , Mandip Gill , Bradley Walsh , Tosin Cole , Christopher Eccleston , Freema Agyeman , Catherine Tate , Pearl Mackie , Matt Lucas , John Bishop .