Line of Duty star Martin Compston promises that this weekend's last in the series will deliver answers.
Jed Mercurio
Line of Duty star Adrian Dunbar makes a claim about the identity of the show's mysterious H...
The return of Line of Duty for its sixth series pulls in almost 9.6 million viewers for...
Line of Duty creator Jed Mercurio suggests that filming of the next series may not resume this...