Sutcliffe – Nicholas Burns
Kitty – Asiatu Koroma
Pie-Man – Peter Singh
Overseer – Simon Ludders
Dowell – Tomi May
Spider – Austin Taylor
Dottie – Ellie Shenker
Harriet – Kishaina Thiruselvan
Perry – Badger Skelton
General production staff
Head of Production – Gordon Ronald
Production Executive – Tracie Simpson
Line Producer – Steffan Morris
Production Manager – Adam Knopf
Location Manager – Nicky James
Unit Manager – Beccy Jones
Production Co-ordinator – Sandra Cosfeld
Assistant Production Co-ordinator – Nicola Chance
Production Assistants – Virginia Bonet, Jamie Shaw
Unit Drivers – Sean Evans, Kyle Davies
Unit Medic – Glyn Evans
Business Affairs Executive – Carol Griggs
Production Accountant – Simon Wheeler
Assistant Accountant – Justine Wooff
Camera and lighting department
1st Assistant Director – Sarah Davies
2nd Assistant Director – James DeHaviland
3rd Assistant Director – Christopher J Thomas
Assistant Directors – Rhun Llewelyn, Lauren Pate
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, Dan Patounas
Gaffer – Mark Hutchings
Best Boy – Andy Gardiner
Electricians – Gawain Nash, Gareth Sheldon, Bob Milton, Sion Davies
Art department
Supervising Art Director – Henry Jaworski
Art Director – Tim Overson
Art Department Accountant – Alison Harvey
Production Buyer – Jen Saguaro
Set Decorator – Adrian Anscombe
Prop Buyers – Jo Pearce, Charlotte Lailey de Ville
Storyboard Artist – Mike Collins
Concept Artist – Darren Fereday
Graphic Artist – Matt Clark
Standby Props – Matt Ireland, Jonathan Barclay
Standby Carpenter – Paul Jones
Prop Hands – Scott Howe, Nigel Magni, Matt Watts
Standby Art Director – Nick Murray
Rigging – Shadow Scaffolding
Standby Rigger – Colin Toms
Head Scenic Artist – Clive Clarke
Painters – Steve Nelms, John Nelms, Paul Murray, Debby McShane
Storeman – Jamie Southcott
Prop Master – Paul Smith
Props Chargehand – Kyle Belmont
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 – Kartik Nagar
Chargehand Carpenter – John Sinnott
Carpenters – Tim Burke, Keith Richards, Matt Ferry, Campbell Frazer, Chris Daniels, Joe Painter, George Rees, Alan Jones, Dan Berrow, Mike Venables, Tom Berrow
Title Concept – Billy Hanshaw
Costume department
Costume Supervisor – Kat Willis
Assistant Costume Designer – Zoe Howerska
Costume Assistants – Rebecca Cunningham, Leila Headon, Jenny Tindle
Make-up and prosthetics
Make-up Supervisor – James Spinks
Make-up Artists – Megan Bowes, Lolly Goodship
Movement
Stunt Co-ordinators – Crispin Layfield, Jo McLaren, Dani Biernat, Dean Forster
Stunt Performers – Troy Kenchington, Belinda McGinley, Andrew Burford
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 Editors – Becky Trotman, David Davies
On-line Editors – Geraint Pari Huws, Mark Hardyman
Assistant On-line Editor – Christine Kelly
Special and visual effects
VFX Editor – Dan Rawlings
Special Creature Effects & Prosthetics – Millennium FX
Colourist – Gareth Spensley
Miniature Effects – The Model Unit
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
Effects Editor – Harry Barnes
Foley Editor – Simon Clement
Foley Artist – Meltem Baytok
In Regency era London, the Doctor and Bill investigate disappearances linked to a creature beneath the frozen Thames. Wealthy industrialist Sutcliffe has been feeding people to it for profit. The Doctor confronts him and ensures justice is served. Bill witnesses the harsh realities of history, including inequality and prejudice, deepening her understanding of the past.
The Doctor and Bill Potts arrive at the Great Frost Fair on the frozen River Thames in Victorian London.
A giant sea creature is trapped beneath the ice and is being exploited to power entertainment and profit for wealthy showmen.
Bill is shocked by the class divisions, racism, and cruelty she witnesses, making her question the morality of the time period.
The Doctor must decide whether to interfere in historical events or allow them to unfold.
The episode deals with morality, exploitation, social injustice, and the consequences of looking away from suffering.
