Guest Stars Andrew Frame as DI Ron Cook Scott Reid as DC Mick Clark Sean Gilder as CS George Harris Grace Calder as Heather Amos Thomas Coombes as PC Myall David Hunt as PS Bews Jude Barrowcliffe as Nicholas Caffell Nate Barrowcliffe as Daniel Caffell Josh Herdman as PC Collins Lucy Briggs-Owen as WPC 1 Micah Balfour as PS Adams Tom McCall as Constable West Benjamin Griffin as PC Delgado