Stephanie Turner
An early screen appearance was in "Morning Story" ( 1970 ) , and she also played Dennis Waterman's screen wife , Alison Carter , in early episodes of "The Sweeney" ( 1975 ) , and WPC Howarth in "Z-Cars" ( 1972–75 ) , which stood her in good stead for her role as Inspector Darblay . 
<triplet> The Sweeney <subj> Dennis Waterman <obj> cast member