Share The new video appears to hint that DCC Dryden will return for the final after serving a suspended sentence for perverting the course of justice in series two. It was revealed in that series that he was having an affair with DS Lindsay Denton -played by Keeley Hawes - before pressuring her into having an abortion. Funny: The actor, 36, - who plays DS Steve Arnott - shared a new video to his Twitter on Friday larking around with Mark Bonnar, who played DCC Mike Dryden Coming back? The new video appears to hint that DCC Dryden will return for the final after serving a suspended sentence for perverting the course of justice in series two