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.
| Directing | Rachel Talalay | Director |
| Writing | Steven Moffat | Writer |
| Production | Steven Moffat | Executive Producer |
| Production | Brian Minchin | Executive Producer |
| Sound | Murray Gold | Original Music Composer |
| Production | Peter Bennett | Producer |
| Camera | Rory Taylor | Director of Photography |
| Art | Michael Pickwoad | Production Design |
| Costume & Make-Up | Claire Pritchard | Makeup Designer |
| Costume & Make-Up | Howard Burden | Costume Design |
| Editing | Will Oswald | Editor |
| Production | Andy Pryor | Casting Director |