In the age-old “who would you rather date” debate of Ginger vs. Mary Ann, Samantha vs. Jeannie, why not add Cagney vs. Lacey to the list? As Detective Mary Beth Lacey on the hit series Cagney & Lacey , Tyne Daly ‘s portrayal of a hard-boiled yet soft-hearted cop cutie is sexier at second glance.