The 60-minute episode, which has been written by Steven Moffat, sees the return of Matt Lucas as Nardole alongside Justin Chatwin as superhero The Ghost, Charity Wakefield as Lucy, Tomiwa Edun as Mr Brock, Aleksandar Jovanovic as Dr Sim and Logan Huffman.
This Christmas sees the Doctor join forces with a masked superhero for an epic New York adventure.The Return of Doctor Mysterio airs on Christmas Day, with the time to be confirmed this week.
With brain-swapping aliens poised to attack, the Doctor and Nardole link up with an investigative reporter and a mysterious figure known only as The Ghost. Can the Doctor save Manhattan? And what will be revealed when we see behind the mask?