"Charity" (Shirley MacLaine), "Nickie" (Chita Rivera) and "Helene" (Paula Kelly) are call-girls working in a grotty dance hall. "Charity" is an honest, maybe too honest, gal, but after years going round in circles she needs a decent man in her life. That might just happen when she meets "Oscar" (John McMartin) but he doesn't know what she really does to make a living. It isn't quite in a bank. Should she tell him and risk him walking away? The story itself here is no great shakes, but the performances are really entertaining. MacLaine, Ricardo Montalban as the legendary actor "Vittorio" and…