Vicky McClure
as Lana Washington
Eric Shango
as Danny Markham
Nabil Elouahabi
as Hassan Rahim
Kerry Godliman
as Sonya Reeves
Natalie Simpson
as DS Helen Morgan
Maanuv Thiara
as Amar Batra
Kevin Eldon
as Jeff Washington
Tom Glenister
as DC Neil Brenton
Maisie Ayres
as Wren Cheshire
Tamzin Griffin
as Val Washington
Julian Ovenden
as Commander John Francis
Mark Stanley
as DI Thom Youngblood
Cal MacAninch
as Inspector Lee Robins
Manjinder Virk
as DI Samira Desai
Kris Hitchen
as John Hudson
Jason Flemyng
as Steven Wyles
Warren Brown
as Karl Maguire
Ralph Ineson
as Commander Bregman
Nadine Marshall
as Marianne Hamilton
Tomiwa Edun
as Alex
Chris Reilly
as Eddie
Ewan Mitchell
as Billy Washington
Mark Rowley
as Rich Manning
Julie Graham
as Commander Nia Quentin
Jonas Armstrong
as Sebastian Pinchbeck
Adrian Lester
as Joel Nutkins