- Unknown:
- Simon Donald
- Producer:
- Jemma Rodgers
- Director:
- Richard Standeven
- DS Tommy Murphy:
- James Nesbitt
- DS Paul Allison:
- Owen Teale
- Det Supt Rees:
- Michael Feast
- David Callard:
- Mark WomacK
- Ellie Holloway:
- Georgia MacKenzie
- George Garvey:
- Larry Lamb
- Miller:
- Michael Fassbender
- Leedham Maggie:
- Lloyd Williams
- Richard Holloway:
- Ramon Tikaram
- Ollington:
- Shaun Dooley
- Crowther:
- Mo Sesay
- Turner:
- James Barriscale
- Deakin:
- Lain Fletcher
- Brand:
- Peter Guinness
- Crawford:
- Amina Hassam
- Frankie:
- Jay Kilbey
- Helen:
- Sarah Matravers
- Maplin:
- Ray Newe
- Dennison:
- Michael O'Connor
- Denholm:
- Stephen Scott
- Dr Temple:
- Shauqhan Seymour
