Suranne Jones

as DCI Amy Silva

12 episodes

Rose Leslie

as DS Kirsten Longacre

12 episodes

Gary Lewis

as DSU Colin Robertson

12 episodes

Shaun Evans

as Elliot Glover

6 episodes

Romola Garai

as Eliza Russell

6 episodes

Anjli Mohindra

as Tiffany Docherty

6 episodes

Martin Compston

as Craig Burke

6 episodes

Paterson Joseph

as Commander Newsome

6 episodes

Chris Jenks

as Callum Barker

6 episodes

Connor Swindells

as Simon Hadlow

6 episodes

Jonathan Ajayi

as Wes Harper

6 episodes

Adam James

as Lt Commander Mark Prentice

6 episodes

Amir El-Masry

as Daniel Ramsay

6 episodes

Lolita Chakrabarti

as Branning

6 episodes

Oscar Salem

as Captain Sattam Abdul Kader

6 episodes