Nicholas Pinnock as DI Paul Ottager
Katherine Kelly as DI Natalie Hobbs
Lee Ingleby as DS Tony Myerscough
Shubham Saraf as DC Kyle Petit
Mark Stanley as Hugo Duffy
Kit Harington as Alex
Rochenda Sandall as Detective Vanessa Warren
Clare-Hope Ashitey as Adele Addo
Isabella Laughland as McRae
Kevin Eldon as Michael Walker
Mark Quartley as Jeremy Nicholson
Lolita Chakrabarti as Anita Baines
David Tennant as Dr. Edgar Fallon
Hayley Atwell as Stacey Doyle
Youssef Kerkour as Jay Muthassim
Sophie Okonedo as Julia Bryce
Kunal Nayyar as Sandeep Singh
Sharon Horgan as Danielle Dunne