Missy – Michelle Gomez
The Master – John Simm
Hazran – Samantha Spiro
Alit – Briana Shann
Gazron – Rosie Boore
Rexhill – Simon Coombs
Heather – Stephanie Hyam
Voice of the Cybermen – Nicholas Briggs
The Doctor – David Bradley
Bill (as a Cyberman) – Liam Carey
General production staff
Head of Production – Gordon Ronald
Production Executive – Tracie Simpson
Line Producer – Steffan Morris
Production Manager – Adam Knopf
Location Manager – Iwan Roberts
Unit Manager – Beccy Jones
Production Co-ordinator – Sandra Cosfeld
Assistant Production Co-ordinator – Nicola Chance
Production Assistants – Virginia Bonet, Paige Woodward, Jamie Shaw
Unit Drivers – Paul Watkins, Jolyon Davey
Unit Medic – Glyn Evans
Business Affairs Executive – Carol Griggs
Production Accountant – Simon Wheeler
Assistant Accountant – Matthew Fisher
Camera and lighting department
1st Assistant Director – Dan Mumford
2nd Assistant Director – James DeHaviland
3rd Assistant Director – Christopher J Thomas
Assistant Directors – Rhun Llewelyn, Lauren Pate, Kieran Hayhow
Script Supervisor – Nicki Coles
Camera Operator – Mark McQuoid
Focus Pullers – Jonathan Vidgen, Elhein De Wet
Grip – John Robinson
Assistant Grip – Sean Cronin
Camera Assistants – Gethin Williams, Drew Marsden, Chris Jacobi, Dan Patounas
Gaffers – Mark Hutchings, Andy Gardiner
Best Boy – Gawain Nash
Electricians – Gareth Sheldon, Bob Milton, Sion Davies, Andrew Williams
Art department
Supervising Art Director – Dafydd Shurmer
Art Director – Tim Overson
Art Department Accountant – Bethan Griffiths
Production Buyer – Jen Saguaro
Set Decorator – Adrian Anscombe
Prop Buyers – Jo Pearce, Charlotte Lailey de Ville
Storyboard Artist – Mike Collins
Concept Artist – Sam Lamont
Graphic Artist – Christina Tom
Standby Props – Matt Ireland, Jonathan Barclay
Standby Carpenter – Paul Jones
Prop Hands – Nigel Magni, Faith Summers, Tom Leaman
Standby Art Director – Nick Murray
Rigging – Shadow Scaffolding
Standby Rigger – Colin Toms
Head Scenic Artist – Clive Clarke
Painters – John Nelms, Steve Nelms, Paul Murray, Tara McCourt
Storeman – Matt Watts
Prop Master – Paul Smith
Props Chargehand – Scott Howe
Props Driver – Gareth Fox
Construction Manager – Terry Horle
Construction Chargehand – Dean Tucker
Construction Driver – Jonathan Tylke
Construction Labourer – Jason Tylke
Practical Electricians – Callum Alexander, Austin Curtis
Graphics Assistant – Jack Bowes
Draughtsperson – Matt Sanders
Carpenters – Tim Burke, Keith Richards, Matt Ferry, Campbell Frazer, Chris Daniels, Joe Painter, George Rees, Dan Berrow, Tom Berrow
Title Concept – Billy Hanshaw
Costume department
Costume Supervisor – Gayle Woodsend
Assistant Costume Designer – Elizabeth Richards
Costume Assistants – Rebecca Cunningham, Leila Headon, Jenny Tindle
Make-up and prosthetics
Make-up Supervisor – James Spinks
Make-up Artists – Megan Bowes, Lolly Goodship, Derek Lloyd, Cathy Davies
Movement
Stunt Co-ordinators – Crispin Layfield, Derek Lea
Stunt Performers – Troy Kenchington, Andrew Burford, Freddie Mason
Choreographer – Ailsa Berk
Casting
Casting Associate – Ri McDaid-Wren
Casting Assistant – Louis Constantine
General post-production staff
Post-production Supervisor – Samantha Price
Post-production Co-ordinator – Hannah Jones
Assistant Editor – David Davies
On-line Editors – Geraint Pari Huws, Christine Kelly
Special and visual effects
VFX Editor – Dan Rawlings
Special Creature Effects & Prosthetics – Millennium FX
Colourist – Gareth Spensley
Model Makers – Alan Hardy, Jamie Thomas
Sound
Sound Recordist – Deian Ll┼╖r Humphreys
Dubbing Mixer – Mark Ferda
Sound Maintenance Engineers – Tam Shoring, Christopher Goding
Dialogue Editor – Darran Clement
ADR Editor – Matthew Cox
Sound Effects Editor – Harry Barnes
Foley Editor – Simon Clement
Foley Artist – Julie Ankerson
The Doctor stands against an army of Cybermen, refusing to abandon the people he has sworn to protect. Bill retains her identity despite her transformation and is ultimately rescued by the sentient puddle from earlier. Missy and the Master confront each other, leading to betrayal and death. The Doctor is mortally wounded but resists regenerating.
The Doctor confronts the spread of Cybermen aboard the colony ship while multiple incarnations of the Master compete for survival and control.
Both Missy and the earlier incarnation played by John Simm appear together, representing different moral paths of the same character.
The Doctor tries to protect the remaining humans and delay the CybermenΓÇÖs advance despite overwhelming odds.
Bill, now partially converted, is ultimately saved in a transformed state by Heather, who returns to help her.
The episode focuses on endurance, identity, redemption, and the DoctorΓÇÖs refusal to give up even when defeat seems inevitable.
