- Frances Grey - DS Kate Beauchamp
- Marsha Thomason - DS Mel Palmer
- Daniel Ryan - DS Terry Hedges
- Alun Armstrong - DCI Charlie McIntyre
- Hugo Speer - DI Jack Price
- Sam Troughton - Thomas Stone
- Serena Gordon - Alison Reeves
- Anton Lesser - Samuel Waite
- Emily Joyce - Anna Marchent
- Sasha Behar - Salma Al Fulani
- Pip Torrens - DCI Walmsely
- Ciarán McMenamin - Daniel Hughes
- Patrick Baladi - Jonathan
- Paul Copley - Ian Fleet
- Eamon Boland - Henry McArdle
- Clare Holman - Jaine Ellis
- Edward Woodward - Rev. Stephen Hedges
- Harriet Walter - Professor Robb
- Ophelia Lovibond - Lucy Waite
- Rufus Jones - TV Reporter
- David Quilter - Brian Herd
- Michael Maloney - Carl Henderson
- Helen McCrory - Dr. Rachel Price
- Shaun Dingwall - Daniel Jameson
- Tom Ellis - Dr. Philip Ryder
- Rory Kinnear - Stewart Dean
- Beatie Edney - Grace Eccleshall
- Laura Greenwood - Leah Wallace
- Michael Bertenshaw - Gov. William Houseman
- Keira Malik - Isabel Emerson
- Terence Budd - Welch
- Aleksandar Mikic - Alexi Pasovic
- Russell Tovey - Robbie McManus
- Valerie Lilley - Maureen Fleet
- Kika Markham - Emma Giardello
- Howard Crossley - D.C. Freeman
- Catherine Russell - Clare Fenton
- Anthony May - Mr. Brown
- Andrew Pleavin - PO Darrell Teague
- Rick Bacon - Andy
- Raymond Trickitt - D.C. Nixon
- Patrick Spence
Alun Armstrong interpreta a DCI Charlie McIntyre en la serie.
Kieran O'Brien interpreta a Eric Metcalfe en la serie.
Hugo Speer interpreta a DI Jack Price en la serie.
Jamie Draven interpreta a DS Jez Clifton en la serie.
Marc Warren hace el papel de DCI Joseph Walker.
Marsha Thomason interpreta a DS Mel Palmer en la serie.
Daniel Ryan interpreta a DS Terry Hedges en la serie.
Capítulo disponible en las siguientes plataformas:
