Bel – Thaddea Graham
Azure – Rochenda Sandall
Swarm – Sam Spruell
Vinder – Jacob Anderson
Diane – Nadia Albina
Fugitive Doctor – Jo Martin
Joseph Williamson – Steve Oram
Grand Serpent – Craig Parkinson
Sonya Khan – Bhavnisha Parmar
Old Swarm – Matthew Needham
Karvanista – Craige Els
Awsok – Barbara Flynn
Passenger – Jonny Mathers
Police Officer – Chantelle Pierre
Voice of the Cybermen – Nicholas Briggs
Voice of the Mouri – Amanda Drew
Priest Triangle – Nigel Lambert
General production staff
Head of Production – Jacquie Glanville
Executive Producer for the BBC – Ben Irving
Production Executive – Tracie Simpson
Line Producer – Steffan Morris
Associate Producer – Sheena Bucktowonsing
Production Manager – Delmi Thomas
Supervising Location Manager – Iwan Roberts
Location Manager – Gareth Roberts
Unit Manager – Kyle Yates
Production Co-ordinator – Sandra Cosfeld
Assistant Production Co-ordinator – Jade Stephenson
Production Secretary – Brenna Ryan
Executive Assistant – Caroline Cook
Production Office Runner – Ellie Hilton
Unit Drivers – Paul Watkins, Jolyon Davey, Steve Darwent
Unit Medics – Glyn Evans, Andy Jones
Business Affairs – Elaine Evans, Kyle Parsons, Steve Robson
Production Accountants – Rhys Evans, Helen Searle
Assistant Accountants – Kate Barber-Williams, Kim Dyer
Cast Payroll Accountant – Helen Searle
Contracts Booker – Leanne Bowcott
Crew Payroll Accountant – Bethan Wray
Covid Coordinator – Ellie Simmons
Covid Assistants – Joseph Fletcher, Jonny Tarr
Covid Office Assistant – Etty Stanley
Camera and lighting department
1st Assistant Director – Charles Curran
2nd Assistant Director – Lauren Pate
Assistant Directors – Jac Lewis, Laura Thompson, Tom May
Script Supervisor – Nicki Coles
Camera Operator – Mark McQuoid ACO
Camera Trainee – Evangeline Davies
Focus Puller – Jonathan Vidgen
Key Grip – John Robinson
Assistant Grip – Matt Clark
Camera Assistant – Dan Patounas
Gaffer – Mark Hutchings
Rigging Gaffer – Andy Gardiner
Best Boy – Gareth Sheldon
Electricians – Gawain Nash, Stuart Gale, Matthew Hutchings, Rhodri Moses
Art department
Supervising Art Directors – Rebecca Brown, Ifan Lewis
Construction Art Director – Julia Jones
Art Department Assistants – Laura Honeybun, Megan Depledge
Art Department Co-ordinator – Hannah Miller
Production Buyer – Billie Blue Williams
Petty Cash Buyer – Sally Sharp
Set Decorator – Chris House
Action Props Buyer – Milannah Faith Summers
Concept Artist – Louis Knight
Graphic Designer – Stephen Fielding
Trainee Graphic Designer – Lois Drage
Standby Props – Matthew Ireland, Lewis Reece
Standby Carpenter – Colm Garrett
Prop Hands – Dewi Thomas, John Thomas, Liv Cheung, Tom Major, Christopher Ahearne
Rigging – Shadow Scaffolding
Standby Rigger – Alex Herbert
Scenic Painters – Alison Drane, Rachel Willsher, Alex Morgan
HOD Painter – Scenic Steve
Painters – Lloyd Reece, Mark Reece
Storeman – Lucy Hookings
Prop Master – Paul Aitken
Props Chargehand – Trystan Howell
Props Driver – Paul Carmichael
Construction Manager – David Hobbs
Construction Assistant – Matthew Pike
Workshop Manager – Mark Hill
Workshop Assistant – Chris Slocombe
Construction Chargehands – Dean Tucker, Jonathan Tylke
Construction Driver – Darren Bousie
CNC Programmer – Kristian Tucker
Plasterer – Jason Tylke
Practical Electricians – Rob Hearne, Matthew Dunford
Draughtspersons – Lauren Harper, James Dyer
Trainee Draughtsperson – Rachel Ellis
Carpenters – Chris Daniels, Campbell Fraser, Matt Gronow, Charlie Wright, Marcus Scholl, Ben McDonald, Dafydd Llewelyn Jones, Mike Venables, Julian Tucker
Costume department
Costume Supervisor – Grace Brooks
Assistant Costume Designer – Simon Marks
Costume Cutter/Maker – Brighde Penn
Creature Costume Maker – Robert Allsopp & Associates
Costume Assistants – Ian Fowler, Jenny Tindle
Costume Trainee – Yiwen Lin
Make-up and prosthetics
Make-up Supervisor – Emma Cowen
Make-up Artists – Amy Riley, Angharad Walsh
Junior Make-up Artist – India Jones
Prosthetics Trainee – Nyle Pritchard-Trew
Prosthetics Designer – Danny Marie Elias
Prosthetics Artist – Amy Paul
Junior Prosthetics Artists – Elly Suggit, Ashley Lovett
Movement
Stunt Co-ordinators – Crispin Layfield, Belinda McGinley
Stunt Performers – Christina Low, George Harris, Stephanie Carey
Casting
Casting Associate – Ri McDaid-Wren
Casting Assistant – Ray B├╢hm
General post-production staff
Post-production Producer – Ceres Doyle
Post-production Supervisor – Liv Duffin
Assistant Editors – Brooke Taylor Michael, Joe Keirle
On-line Editors – Christine Kelly, Luke Stanbury
Special and visual effects
Additional VFX – BBC Wales Graphics, Zodiak VFX, Ben Pickles
VFX Editor – Emily Lawrence
Assistant VFX Editor – Alastair Gray
Colourist – Gareth Spensley
Head Model Maker – Lee Radford
Model Makers – Penny Howarth, Lee Price
Sound
Sound Recordist – Deian Llyr Humphreys AMPS
Dubbing Mixers – Natasha Haycocks, Howard Bargroff
Sound Maintenance Engineers – Christopher Goding, Joe Malone
Sound Designer – Harry Barnes
Dialogue Editor – Darran Clement
ADR Editor – Matthew Cox
Foley – Bang Post Production
The Doctor and companions become scattered across time fragments, experiencing each otherΓÇÖs pasts and possible futures. The DivisionΓÇÖs involvement in the DoctorΓÇÖs forgotten history becomes clearer. Swarm manipulates temporal instability to track the Doctor. The episode explores fragmented identity and memory, deepening the mystery of the DoctorΓÇÖs hidden past.
The Doctor and her companions become trapped in a time storm caused by the Flux, experiencing fragmented lives across different timelines.
Characters are split across multiple time periods and identities, reliving events and encountering alternate versions of themselves.
The Doctor begins to uncover more about her forgotten incarnations and hidden history.
The Mouri are beings connected to the Temple of Atropos, responsible for maintaining the structure of time itself.
The episode explores time, identity, memory, and the instability of reality under extreme conditions.