Madame Vastra – Neve McIntosh
Strax – Dan Starkey
Jenny – Catrin Stewart
Half-Face Man – Peter Ferdinando
Inspector Gregson – Paul Hickey
Alf – Tony Way
Elsie – Maggie Service
Cabbie – Mark Kempner
Barney – Brian Miller
Waiter – Graham Duff
Courtney – Ellis George
Policeman – Peter Hannah
Footman – Paul Kasey
Missy – Michelle Gomez
The Doctor – Matt Smith
Clockwork Droid – Clem So
General production staff
Production Executive – Julie Scott
Line Producer – Tracie Simpson
Location Manager – Iwan Roberts
Unit Manager – Iestyn Hampson-Jones
Production Co-ordinator – Adam Knopf
Production Management Assistant – Sandra Cosfeld
Production Assistants – Matthew Jones, Katie Player
Production Accountant – Jeff Dunn
Assistant Accountant – Bethan Griffiths
Camera and lighting department
1st Assistant Director – Simon Morris
2nd Assistant Director – James DeHaviland
3rd Assistant Director – Danielle Richards
Assistant Directors – Gareth Jones, Chris Thomas
Script Supervisor – Steve Walker
Camera Operator – Martin Stephens
Camera Trainee – Gethin Williams
Focus Pullers – Jonathan Vidgen, Matthew Waving
Grip – John Robinson
Assistant Grip – Sean Cronin
Camera Assistants – Cai Thompson, Katy Kardasz
Gaffer – Mark Hutchings
Best Boy – Stephen Slocombe
Electricians – Gafin Riley, Andy Gardiner, Bob Milton, Gareth Sheldon
Art department
Supervising Art Director – Paul Spriggs
Art Director – Vicki Stevenson
Art Department Accountant – Simon Wheeler
Production Buyer – Holly Thurman
Set Decorator – Adrian Anscombe
Set Dressers – Jayne Davies, Mike Elkins, Jamie Farrell
Prop Buyers – Donna Shakesheff, Helen O’Leary
Concept Artist – Chris Lees
Graphic Artist – Christina Tom
Standby Props – Liam Collins, Gary Leech
Standby Carpenter – Paul Jones
Standby Art Director – Amy Pickwoad
Standby Rigger – Bryan Griffiths
Head Scenic Painter – Clive Clarke
Scenic Painters – Steve Nelms, Matt Weston
Storeman – Jamie Southcott
Assistant Storeman – Ryan Milton
Prop Master – Paul Smith
Props Chargehand – Kyle Belmont
Props Driver – Gareth Fox
Props Makers – Alan Hardy, Jamie Thomas
Construction Manager – Terry Horle
Construction Chargehand – Dean Tucker
Construction Driver – Jonathan Tylke
Practical Electrician – Christian Davies
Scenic Artists – Steve Nelms, Matt Weston
Graphics – BBC Wales Graphics
Draughtsperson – Kartik Nagar
Carpenters – John Sinnott, Chris Daniels, Lawrie Ferry, Matt Ferry, Julian Tucker, Mark Painter, Joe Painter
Title Concept – Billy Hanshaw
Costume department
Costume Supervisor – Claire Lynch
Costume Assistants – Katarina Cappellazzi, Gemma Evans, Charlotte Bestwick
Make-up and prosthetics
Make-up Supervisor – Emma Cowen
Make-up Artists – Alison Webb, Ann Marie Williams
Prosthetics – Millennium FX
Movement
Stunt Co-ordinator – Crispin Layfield
Stunt Performers – Gordon Seed, Belinda McGinley, Rob Jarman, Robert Pavey, Dean Forster, Annabel Canaven
Casting
Casting Associate – Alice Purser
General post-production staff
Post-production Supervisor – Nerys Davies
Post-production Co-ordinator – Samantha Price
Assistant Editors – Katrina Aust, Carmen Sanchez Roberts
On-line Editors – Mark Hardyman, Geraint Pari Huws
Special and visual effects
VFX Editor – Joel Skinner
Colourist – Gareth Spensley
Sound
Sound Recordist – Deian Ll┼╖r Humphreys
Dubbing Mixer – Tim Ricketts
Sound Maintenance Engineers – Tam Shoring, Christopher Goding
Dialogue Editor – Darran Clement
ADR Editor – Matthew Cox
Sound Effects Editor – Harry Barnes
Foley Editor – Jamie Talbutt
The Doctor regenerates into a new, more abrasive form and struggles with his identity. In Victorian London, he and Clara investigate a series of spontaneous combustions linked to clockwork androids harvesting human parts. As the Doctor questions whether he is a good man, Clara doubts him as well. With help from Madame Vastra and her allies, the Doctor defeats the android leader. A call from his previous self reassures Clara, convincing her to continue travelling with him.
The episode follows the newly regenerated Twelfth Doctor, played by Peter Capaldi, as he struggles to adjust to his new personality. Alongside Clara Oswald, he investigates a series of spontaneous combustions in Victorian London, uncovering a group of clockwork robots harvesting human parts.
The antagonists are the Half-Face Man and his clockwork droids, originally introduced in The Girl in the Fireplace. They repair themselves using human body parts, making them both unsettling and tragic.
This episode establishes the darker, more abrasive personality of the Twelfth Doctor. It marks a tonal shift from the Eleventh DoctorΓÇÖs whimsical style to a more introspective and morally complex approach.
Yes, it ties back to the clockwork droids from earlier episodes and continues ClaraΓÇÖs arc as she adapts to a regenerated Doctor who feels very different from before.
The episode explores identity, morality, and what it means to be the Doctor. It also questions whether the Doctor is a good man, a theme that carries through the series.
