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31 October - 7 November 2015

Viewing Figure: 5.76M/6.03M


Humans live in peace with Zygons without knowing that they are there, but the peace between the two species is threatened 


Peter Capaldi (The Doctor), Jenna Coleman (Clara), Ingrid Oliver (Osgood), Jemma Redgrave (Kate), Jaye Griffiths (Jac)

Cleopatra Dickens (Claudette), Sasha Dickens (Jemima), Rebecca Front (Walsh), Abihishek Singh (Little Boy)

Samila Kularatne (Little Boy's Mum), Todd Kramer (Hitchley), Jill Winternitz (Lisa (Drone Op), Gretchen Egolf (Norlander)

Karen Mann (Hitchley's Mum), James Bailey (Walsh's Son), Nicholas Asbury (Etoine), Aidan Cook, Tom Wilton, Jack Parker (Zygons)

Nicholas Briggs (Zygon Voices)


Peter Harness, Steven Moffat (Writers), Peter Bennett (Producer), Daniel Nettheim (Director)

Crispin Layfield, Dani Biernat (Stunt Coordinators), David Newton, Lloyd Bass, Andy Smart, Lucy Allen (Stunt Performers)

Dan Mumford (First Assistant Director), James DeHaviland (Second Assistant Director), Danielle Richards (Third Assistant Director)

Chris Thomas, Gareth Jones (Assistant Directors), Sean Evans, Kyle Davies (Unit Drivers), Iwan Roberts (Location Manager)

Iestyn Hampson-Jones (Unit Manager), Steffan Morris (Production Manager), Adam Knopf (Production Coordinator)

Sandra Cosfield (Assistant Production Coordinator), Sion Crowie, Jamie Shaw (Production Assistants)

Justine Woolf (Assistant Accountant), Bethan Griffiths (Art Department Accountant), Steve Walker (Script Supervisor)

Lindsay Alford (Script Executive), David P Davis (Script Editor), Mark McQuoid (Camera Operator)

Jonathan Vidgen, Steve Rees (Focus Pullers), John Johnson (Grip), Cai Thompson, Matthew Lepper, Scott Waller (Camera Assistants)

Sean Cronin (Assistant Grip), Tam Shoring, Christopher Goding (Sound Maintenance Engineers), Mark Hutchings (Gaffer)

Andrew Gardiner (Best Boy), Bob Milton, Gareth Sheldon, Gawain Nash, Rob Fernandes, Andrew Williams (Electricians)

Dafydd Shurmer (Supervising Art Director), Julia Challis (Stand by Art Director), Adrian Anscombe (Set Decorator)

Julian Luxton, Linda Morgan (Production Buyers), May Johnson, Vicki Male (Prop Buyers), Julia Jones, Kartik Nagar (Draughtpersons)

Paul Smith (Props Master), Kyle Belmont (Props Chargehand), Liam Collins (Standby Props)

Ian Davies, Scott Howe, Nigel Magni, Matt Watts (Prop Hands), Jamie Southcott (Storeman), Chris Lees (Concept Artist)

Matthew Clark (Graphic Artist), Daniel Lazenby (Motion Graphics), Paul Jones (Standby Carpenter), Shadow Rigging (Rigging)

Christian Davies, Austin Curtis (Practical Electricians), Alan Hardy, Jamie Thomas (Props Makers), Gareth Fox (Prop Driver)

Terry Horle (Construction Manager), Dean Tucker (Construction Chargehand), John Sinnott (Chargehand Carpenter), Tim Burke

Lawrie Ferry, Matt Ferry, Chris Daniels, Julian Tucker, George Rees, Dan Berrow, Keith Richards, Campbell Fraser (Carpenters)

Jonathan Tylke (Construction Driver), Mike Cox (Construction Labourer), Clive Clarke (Head Scenic Artist)

Steve Nelms, Matt Weston, Paul Murray (Scenic Painters), Georgie Sayer (Assistant Costume Designer)

Simon Marks (Costume Supervisor), Andie Mear, Ian Fowler, Jenny Tindle (Costume Assistants), Sara Angharad (Make-Up Supervisor)

Megan Bowes, James Spinks (Make-Up Artists), Glyn Evans (Unit Medic), Alice Purser (Casting Associate)

Becky Trotman, Robbie Gibbon (Assistant Editors), Dan Rawlings (VFX Editor), Hannah Jones (Post Production Coordinator)

Mark Ferda (Dubbing Mixer), Matthew Cox (ADR Editor), Darran Clements (Dialogue Editor), Harry Barnes (Effects Editor)

Jamie Talbutt (Foley Editor), Julie Ankerson (Foley Artist), BBC Wales Graphics (Graphics), Billy Hanshaw (Title Concept)

Christina Kelly (Assistant Online Editor), Mark Hardyman, Geraint Pari Huws (Online Editors, Gareth Spensley (Colourist)

music conducted & orchestrated by Alistair King, music mixed by Jake Jackson, music recorded by Gerry O'Riordan

Ron Grainer (Original Theme Music), with thanks to the BBC National Orchestra of Wales, Sur-Film Production & Services

Andy Pryor CDG (Casting Director), Gordon Ronald (Production Executive)​, Samantha Price (Post Production Co-ordinator)

Simon Wheeler (Production Accountant), Deian Llyr Humphreys (Sound Recordist), Ray Holman (Costume Designer)

Barbara Southcott (Make-Up Designer), Murray Gold (Music), Milk (Visual Effects), Real SFX (Special Effects)

Millennium FX (Special Creature Effects & Prosthetics), Will Oswald (Editor), Michael Pickwoad (Production Designer)

Mark Waters (Director of Photography), Tracie Simpson (Line Producer), Steven Moffat, Brian Minchin (Executive Producers)  

Uncredited Crew

Juan Cano (Producer), Chris Thomas (3rd Assistant Director), Alyn Luker, Jonathan Davies, Natalia Alexeeva, Kash Bhakar, Matt Busson

Ben Thomas, Alex Miarli, Daniel Harris, Imogen Webster, Maria Sanz (Assistant Directors), Amy Laing (Assistant Director [2nd Unit])

Graham Huxtable, Paul Watkins, Paul Carmichael, Jolyon Davey, Kevin Tucker, Matt Jones, Dave Purnell, Julian Binning, Clive Rice

Jeff Evans, Mercedes, Ilaria Porcella (Unit Drivers), Yurena Garde (Production Assistant), Matthew Lepper, Ian Pearce (Focus Puller)

Richard Turner (Focus Puller [2nd Unit]), James Holloway, Toni Gimenz (Grip), James Brown, Will Antill (Camera Assistants)

Sam Phillips (Assistant Grip), Vic Sopjani (Assistant Grip [2nd Unit]), Jorge Morales (Gaffer), Luca Scaroni (Stand by Director)

Rosy Pearce (Standby Props), Jamie Farrell (Standby Carpenter), Jill Blundell, Pam Verran, Sara Morgan (Costume Assistants)

Cathy Davies, Daphne Croker-Saunder, Carol Robinson (Make-Up Artists), Tim Surrey, Renato Ferrari (Sound Recordists)

Dom Corbisiero (Sound Recordist [2nd Unit])


Filming Locations

  • The Old Custom House, Bute Street, Cardiff

  • Pennsylvania, Llanedeyrn, Cardiff

  • Maelfa Shopping Centre, Llanedeyrn, Cardiff

  • Lydstep Flats, Lydstep Crescent, Gabalfa, Cardiff

  • Barry Shooting Centre, Station Approach, Barry Island

  • eCube Solutions, MOD St Athan, St Athan, Barry

  • BBC Roath Lock Studios: Studio 4

  • Watchtower Bay, The Knap, Barry

  • Nell's Point, Barry Island, Barry

  • BBC Roath Lock Studios: Studio 3

  • Canal Park, Loundon Square, Cardiff

  • Allensbank Primary School, Llanishen Street, Cardiff

  • The Old Yamaha School of Music, Stacey Road, Cardiff

  • Cathays Cemetery, Allensbank Road, Cardiff

  • BBC Roath Lock Studios: Studio 1

  • BBC Roath Lock Studios: Studio 2

  • Hensol Castle, Pontyclun, Vale of Glamorgan

  • MOD Caerwent, Caerwent

  • FIBUA, Sennybridge Senta Camp, Sennybridge, Powys

  • St Catherine's Church, Kings Road, Pontcanna, Cardiff

  • Calle la Cruz, Tiscamantia, Fuerteventura

  • Antigua, Fuerteventura 


  • Jac [body reduced to burnt hair and skin]

  • Claudette (Zygon) [reduced to ashes]

  • Jemima (Zygon) [reduced to ashes]

  • Hitchley [body reduced to burnt hair and skin]

  • Norlander [body reduced to burnt hair and skin]

  • Norlander (Zygon) [shot by Kate Stewart]

  • Etoine (Zygon) [kills himself to prevent being captured]

  • Walsh's Troops [killed by Zygons]

Production Days

  • 26 Days between Tuesday 5 May - Sunday 7 June 2015

Production Errors

  1. During the park scene, a crew member holding a microphone is reflected in the Tardis 'Police Box' sign

  2. When The Doctor, Clara and Osgood arrive at the Tardis, The Doctor is clearly a few feet away from the ship. However in the next shot, The Doctor is standing right next to it

  3. When the pod lid is taken off, Clara's hair is clearly a mess. When The Doctor talks to Bonnie and Kate, Clara's hair is suddenly brushed and neat

Working Titles

  • Invasion of the Zygons

  • Truth or Consequences


Not so much as an action-packed, fast-paced tale about an alien revolution, it’s more of a head hammering tale about friendship and trust. Much like a lot of other trigger-happy episodes the death count is unnecessarily high, including underdeveloped characters who do nothing but appear, say a few lines and die. The cinematography shines using wide shots, establishing shots and POV’s to create a nerve-wracking world. The episode shines best when its slows down and allows the cinematography and camera to do the hard work. The episodes are dialogue heavy with a few brilliant monologues brought to life by Capaldi. The Zygons continue to shines but a few of their powers do not fit their image. A good pace but the plotting seems to do a lot of running around and is full of terribly acted scenes. There’s a lot of action but no substance where some questionable choices plague the supposed morally driven Doctor. The ending is somewhat confusing which raises a lot questions that are better left unanswered. The plot never mentions who or when UNIT got their hands on a Wire helmet considering they all left Earth. With so much potential it’s a disappointment it could have been so much more. ***​



Number of Production Days: 5

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