Journey Blue – Zawe Ashton
Colonel Morgan Blue – Michael Smiley
Danny Pink – Samuel Anderson
Gretchen – Laura Dos Santos
Ross – Ben Crompton
Fleming – Bradley Ford
School Secretary – Michelle Morris
Mr Armitage – Nigel Betts
Courtney – Ellis George
Dalek – Barnaby Edwards
Voice of the Daleks – Nicholas Briggs
Missy – Michelle Gomez
Kai Blue – Jonathan Lloyd
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
Unit Medic – Glyn Evans
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
Focus Pullers – Jonathan Vidgen, Matthew Waving
Grip – John Robinson
Assistant Grip – Sean Cronin
Camera Assistants – Cai Thompson, Katy Kardasz, Gethin Williams
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 Artist – 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
Graphics – BBC Wales Graphics
Draughtspersons – Kartik Nagar, Julia Jones
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, Anne Marie Williams
Prosthetics – Millennium FX
Movement
Stunt Co-ordinators – Crispin Layfield, Dani Biernat
Stunt Performers – Gordon Seed, Andy Merchant, James Pavey
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 Editor – Mark Hardyman
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, Clara, and a team of soldiers are miniaturised and sent inside a damaged Dalek known as Rusty. Unlike others, Rusty shows signs of morality after seeing a star being born. The Doctor attempts to repair it, hoping to prove a Dalek can be good. Instead, RustyΓÇÖs hatred is redirected, reaffirming its violent nature. The Doctor is forced to confront his own darkness and similarities to the Daleks, while Clara sees the danger in his worldview.
The Doctor and Clara are recruited to investigate a malfunctioning Dalek that appears to show signs of goodness. They are miniaturized and sent inside the Dalek to repair it and discover the truth.
The episode presents a Dalek capable of moral conflict, challenging the idea that they are purely evil. However, it ultimately reinforces that Daleks interpret morality in a distorted way.
Peter Capaldi stars as the Twelfth Doctor, continuing to define his sharper and more questioning personality.
The Dalek, nicknamed Rusty, forces the Doctor to confront his own hatred of Daleks. It raises questions about whether goodness can exist within something designed for destruction.
The episode focuses on morality, perspective, and the nature of hatred. It also examines how the DoctorΓÇÖs own biases shape his actions.
