Paddy Considine
as DS Gabe Waters
Bel Powley
as DC Holly Morten
Nabhaan Rizwan
as Raza Shar
Sharon D. Clarke
as DCI Rose Asante
Jessica Raine
as Emily Waters
Roger Jean Nsengiyumva
as Dadir Hassan
Sunetra Sarker
as Sadia Shar
Reiss Jeram
as Nasir Shar
Paul Tylak
as Hanif Shar
Mim Shaikh
as Cut Waleed
Stanley Townsend
as Geoffrey Boyce
Arsher Ali
as Imran Aziz
Arinzé Kene
as Salim Brahimi
Nell Hudson
as Charlotte Humphreys