Lady in a Cage (1964)
Late to the party as normal, but Rayo Casablanca is correct. It is "Lady in a Cage" w/ Olivia de Havilland in the title role, James Caan, Jennifer Billingsley, Rafael Campos, Jeff Corey, Ann Sothern, and Scatman Crothers in an uncredited performance as the junkyard's proprietor's assistant. I knew it as soon as I read the first paragraph of Zombee Huntr's request.
Worth seeing (IMHO) for James Caan's first credited performance in a film. While he had done some television and had an uncredited role in "Irma La Douce." This was his first film credit.