
The deeper you go, the darker it gets. Military investigator DCI Silva fights to uncover conspiracies of silence - but who can she trust?
Suranne Jones DCI Amy Silva
Rose Leslie DC Kirsten Longacre
Gary Lewis Superintendent Colin Robertson
Dominic Mafham Sir Ian Downing
Shaun Evans Chief Petty Officer Elliot Glover
Anjli Mohindra Lieutenant Tiffany Docherty
Paterson Joseph Captain Neil Newsome
Connor Swindells Lieutenant Simon Hadlow
Adam James Commander Mark Prentice
Lolita Chakrabarti Lieutenant Commander Erin Branning
Lorne MacFadyen Chief Petty Officer Michael Doward
Stephen Dillane Rear Admiral Shaw