- Peter Singh - Mr. Nadin
- Rupert Procter - DC Jack Harrop
- Jason Hughes - DC Sandy Cuthrie
- Katherine Pearce - Emily Stone
- Antonio Aakeel - Immy
- Pearce Quigley - Peter Boyd
- Kerrie Hayes - DC Nina Prentiss
- Naomi Radcliffe - Yvonne
- Ross Anderson - PC Richard Bryan
- Ellie Lightfoot - Zoe
- Jackie Clune - Jillian Menzies
- Mark Beswick - Luke Young
- Adam Karim - Pino
- Brian Fletcher - Elliot Young
- Bo Bragason - Rachel Winshaw
- Wasim Zakir - Tariq
- Simon Nagra - Daddy
- Adrian Harris - DC Milne
- Haider Mohammed Javed - Saj
- Zee Sulleyman - Billy
- Satnam Bhogal - Car Zero
- Tebraiz Shahzad - Tiger
- Maggie Service - Caroline Wallace
- Amanda Hale - Rachel Smith
- Matthew Heathcote - DC Wilson
- Jonas Khan - Pirate
- Katy Carmichael - Miss Landale
- Steffan Rhodri - Fraser Lavery
- Nick Moss - DC John Duff
- Qas Hamid - Chef
- Jamie Ballard - Mr Nicholl
- Robert Gwilym - Judge Clifton
- Deka Walmsley - Andrew Norfolk
- Vineeta Rishi - Grace
- Mark Carter - Steve Heywood
- Jay Sajjid - Usman
- Gurjeet Singh - Ali
- Waleed Akhtar - Abdul
- Salman Akhtar - Waqas
- Paul Hickey - Detective Chief Superintendent
- Simon Cook - Barrister
- Hannah Lee - Barrister
- Vincenzo Pellegrino - London Journalist
- Philip Hill-Pearson - Barrister
- Marc Danbury - David Winneck MP
- Jessica Fostekew - Sonia
- Ezra Faroque Khan - Iman
- Tristan Sturrock - CPS Lawyer
- Tom Prior - Police Officer
- Marc Geoffrey - Duty Sergeant
- Philippa Lowthorpe
- Nicole Taylor
- Simon Lewis
- Lucy Richer
- Susan Hogg
- Shaheen Baig
- Hilary Salmon
- Max Walsh
- Natalie Holt
- Mike Dowson
- Adam Mendez
Maxine Peake interpreta a Sara Rowbotham en la serie.
Lesley Sharp interpreta a DC Margaret Oliver en la serie.
Lisa Riley hace el papel de Lorna Bowen.
Ace Bhatti interpreta a Nazir Afzal en la serie.
Paul Kaye interpreta a Jim Winshaw en la serie.
Jill Halfpenny hace el papel de Julie Winshaw.
Ria Zmitrowicz hace el papel de Amber Bowen.
Molly Windsor interpreta a Holly Winshaw en la serie.
Liv Hill interpreta a Ruby Bowen en la serie.
Peter Singh hace el papel de Mr. Nadin.
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