In this epic two-part finale, the Doctor comes face to face with the mysterious Missy, and an impossible choice is looming. With Cybermen on the streets of London, old friends unite against old enemies, and the Doctor takes to the air in a startling new role.
as The Doctor
as Clara Oswald
as Missy
as Danny Pink
as Seb
as Kate Lethbridge-Stewart
as Osgood
as Cyberman
as Cyberman (voice)
as Woman
as Gran
as Dr Chang
as Fleming
as Boy
as Mr. Armitage
as Colonel Ahmed
as Teenage Boy
as Teenage Girl
as Graham
as Santa Claus
