- Rufus Jones - John Pape
- Isabella Laughland - China
- Alexa Davies - Kiera
- Giselle Cullinane - Barbara Denham
- Shaun Thomas - Paul
- Ian Puleston-Davies - Karl Turner MP
- Michael Keogh - Dispatcher
- Frankie Wilson - Barking Police Officer
- Dan Linney - Front Desk Officer
- Rachel Dale - Hull Police Officer
- Rufus Wright - Interviewing Detective
- Dean Fagan - Deptford Police Officer
- Andy Gathergood - PC Ellison, Medway Police Officer
- Chris Brazier - Rafael Costa
- Kate Layden - Sandra
- Emma Naomi - Barking Police Officer
- Ashley Gerlach - Police Counter Officer
- Hugh Simon - David Smith QC
- Steven Pacey - Recorder
- Jaime Winstone - Donna Taylor
- Daniel Ryan - Adam Whitworth
- Holly Aird - Jeanette Taylor
- Mollie Winnard - Demi
- Stephanie Hyam - Jenny Taylor
- Paddy Rowan - Jack Taylor
- Ella Kenion - Mandy Pearson
- Leo Flanagan - Daniel Whitworth
- Grant Crookes - Police Officer
- George Asprey - Jonathan Rees QC
- Tim Preston - Anthony Walgate
- Jack Pierce - Acting DI Rolf Schamberger
- Mark Sangster - Superintendent
- Daniel Jillings - Barking Police Officer
- Daniel Jillings - PC Holden
- Chris Ryman - DC Pericleous
- Simon Bubb - Clerk Of The Court
- John Alan Roberts - Family Court Member
- Rupert Hill - Barking Police Officer
- Jason Done - Barking Police Sergeant
- Milo Twomey - MIT Detective
- Saira Choudhry - Police Counter Officer
- James Bradshaw - DCI Tim Duffield
- Shelley Conn - Nadia Persaud
- Amanda Neal
- Jean-Paul Lebon
- Sarah Farrington
- Steve Walker
- Jonathan Andrewsi
- Colin Mellor
- Aimee Whelan
- Martin Ainscough
- Haydn Smith
- Chris Chambers
- Stefan Henrix
- Les Honess
- Xavier Jackson
- Adrian Johnston
- Tom Williams
Stephen Merchant hace el papel de Stephen Port.
Sheridan Smith interpreta a Sarah Sak en la serie.
Leanne Best hace el papel de Kate.
Samuel Barnett interpreta a Ryan Edwards en la serie.
Robert Emms hace el papel de Ricky.
Michael Jibson interpreta a DC Slaymaker en la serie.
Ben Cartwright interpreta a Det. Sqt. O'Donnell en la serie.
Memet Ali Alabora interpreta a Sami Sak en la serie.
Rufus Jones hace el papel de John Pape.
Isabella Laughland interpreta a China en la serie.
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