Throughout the 1960s, Williams appeared in several television series and films including roles in The Beverly Hillbillies, Batman, Adam-12, Lost in Space, The Naked Kiss, and the Sonny & Cher film, Good Times. In 1970, she appeared as Ashley St. Ives in Russ Meyer's first mainstream film Beyond the Valley of the Dolls, followed by his second mainstream film The Seven Minutes (1971). Meyer and Williams married in 1970, shortly after the release of Beyond the Valley of the Dolls.