David Sterne ( David Sterne )

Desk Sergeant Edward 'Mac' McFadden

Sara Powell ( Sara Powell )

Rachel Barker (Crown Prosecution Service)

Elaine Glover ( Elaine Glover )

Rookie Lucy Slater

Joe Jacobs ( Joe Jacobs )

Constable William 'Billy' Jackson

Kieran O'Brien ( Kieran O'Brien )

Constable Robert Clifton

Jimmy Akingbola ( Jimmy Akingbola )

Constable Neil Parker

Kacey Ainsworth ( Kacey Ainsworth )

Inspector Jenny Black

Chloe Howman ( Chloe Howman )

Kelly Cooper

James Hillier ( James Hillier )

Custody Sergeant Christian Young

Zöe Lucker ( Zöe Lucker )

Kate Keenan

Richard Harrington ( Richard Harrington )

Luke French

Cal MacAninch ( Cal MacAninch )

Detective Inspector John Keenan

Tim Pigott-Smith ( Tim Pigott-Smith )