3 Blondes in His Life (Three Blondes in His Life) (1961)

While looking into the disappearance of womanizing insurance investigator William Collins, detective Duke Wallace (Jock Mahoney) uncovers some shady dealings in Collins' case files -- and gets to know the three blonds in the missing man's life. Could one of these golden-haired beauties -- including Bill's wife, Lois (Elaine Edwards), theft victim Martha (Valerie Porter) and sexy heiress Helen (Greta Thyssen) -- have something to do with the case?