Skaak/Sontaran Commander Riskaw – Jonathan Watson
Mary Seacole – Sara Powell
Vinder – Jacob Anderson
Eileen – Sue Jenkins
Neville – Paul Broughton
Joseph Williamson – Steve Oram
Lieutenant General Logan – Gerald Kyd
Svild – Dan Starkey
Swarm – Sam Spruell
Azure – Rochenda Sandall
Karvanista – Craig Els
Passenger – Jonny Mathers
Priest Triangle – Nigel Lambert
Horse – Zaleno
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 – Jac Jones
Production Co-ordinator – Sandra Cosfeld
Assistant Production Co-ordinator – Jade Stephenson
Production Secretary – Nikhil Theva Raj
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 Accountant – Rhys Evans
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 – Kyle Yates, Jonny Tarr
Covid Office Assistant – Etty Stanley
Camera and lighting department
1st Assistant Director – Christopher J Thomas
2nd Assistant Director – Lauren Pate
Assistant Directors – Jac Lewis, Laura Thompson
Script Supervisor – Vicky Cole
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 Director – Rebecca Brown
Construction Art Director – Julia Jones
Art Department Assistant – Laura Honeybun
Art Department Co-ordinator – Hannah Miller
Production Buyer – Billie Blue Williams
Petty Cash Buyer – Sally Sharp
Set Decorator – Vicki Male
Action Props Buyer – Milannah Faith Summers
Concept Artist – Louis Knight
Graphic Designer – Stephen Fielding
Trainee Graphic Designer – Lois Drage
Standby Props – Matthew Ireland, Melissa Sheppard, Lewis Reece
Standby Carpenter – Colm Garrett
Prop Hands – Dewi Thomas, John Thomas, Liv Cheung, Tom Major, Christopher Ahearne
Standby Art Director – Cerys Lewis
Rigging – Shadow Scaffolding
Standby Rigger – Alex Herbert
Scenic Painters – Alison Drane, Rachel Willsher
HOD Painter – Scenic Steve
Painters – Lloyd Reece, Mark Reece
Storeman – Lucy Hookings
Prop Master – Paul Aitken
Props Driver – Paul Carmichael
Construction Manager – Tom Berrow
Construction Assistant – Marcus Scholl
Workshop Manager – Mark Hill
Workshop Assistant – Chris Slocombe
Construction Chargehands – Dan Berrow, Jonathan Tylke
Construction Driver – Darren Bousie
CNC Programmer – Kristian Tucker
Plasterers – David Williams, Jason Tylke
Practical Electricians – Rob Hearne, Matthew Dunford
Draughtspersons – Lauren Harper, Alex Roberts
Trainee Draughtsperson – Rachel Ellis
Carpenters – Sam Burridge, Campbell Fraser, Matt Gronow, Rhys Andrews, Dean Tucker, David Hobbs, Ben McDonald, Ashley Bullock, Mike Venables, Julian Tucker
Costume department
Costume Supervisor – Ian Fowler
Assistant Costume Designer – Simon Marks
Costume Cutter/Maker – Brighde Penn
Creature Costume Maker – Robert Allsopp & Associates
Costume Assistants – Andie Mear, Nadia Cucinella
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 Trainees – Tara Kemp, Nyle Pritchard-Trew
Prosthetics Designer – Danny Marie Elias
Prosthetics Artist – Amy Paul
Junior Prosthetics Artists – Elly Suggit, Ashley Lovett
Prosthetics Office Assistant – Gwenno Hughes
Movement
Stunt Co-ordinator – Crispin Layfield
Stunt Performers – Belinda McGinley, Christina Low, Ellie Keighley, Rob Jarman, Joseph Paxton, Annabel Canaven, Matt Hermiston
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 – Hayley Williams, Brooke Taylor Michael
On-line Editor – Christine Kelly
Assistant On-line Editor – 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 Flux continues to disrupt time, allowing the Sontarans to invade EarthΓÇÖs past during the Crimean War. The Doctor and her allies split across timelines to resist the invasion. Dan meets historical figures while Yaz and the Doctor attempt to repair temporal damage. The Sontaran assault is ultimately repelled, but the FluxΓÇÖs destructive spread continues.
The Doctor, played by Jodie Whittaker, is separated from her companions and ends up in the Crimean War, where history has been altered.
The Sontarans have inserted themselves into the Crimean War, replacing Russian forces and using the conflict as a staging ground for invasion.
Mary Seacole appears as a key historical figure, assisting the Doctor and providing support to soldiers.
The Doctor manipulates the Sontarans into retreating by turning their own strategies against them.
The episode explores war, history, resilience, and the consequences of altering the past.
