14:40Cagney and LaceySeries 5Episode 8: Filial DutyBBC Two Duration: 46 minutes Thu 13th Mar 2014, 14:40 on BBC Two ScotlandChris and Mary Beth become obsessed with the unsolved murder of an old woman.ContributorsDetective Christine Cagney:Sharon GlessDetective Mary Beth Lacey:Tyne DalyCharlie Cagney:Dick O'NeillLieutenant Bert Samuels:Al WaxmanDetective Victor Isbecki:Martin KoveDetective Mark Petrie:Carl LumblySgt Coleman:Harvey AtkinADA Feldberg:David PaymerFrank Kelly:Andrew RobinsonHarvey Lacey:John KarlenGenresDramaCrimeBrandCagney and LaceySeriesCagney and Lacey: Series 5 Source: BBC Online