Sensitive Det. Sgt. Christine Cagney (Meg Foster, replaced by Sharon Gless in season two) and tough Det. Mary Beth Lacey (Tyne Daly) were female New York City cops whose opposing personalities made for a formidable partnership in this groundbreaking crime drama that ran on CBS from 1981-88. Al Waxman, John Karlen, Martin Kove, and Carl Lumbly also starred.