“The White Lotus” Season 3 boasts an emblematic performance from Parker Posey as Victoria Ratliff, a lorazepam-dependent housewife from North Carolina who is convinced dying would be a better fate than living a less-than-luxurious life — a mentality the actress notes is rooted in pain.

“There are different ideas about Victoria and where she comes from [and] how much money she has — I think she comes from the wealth in the family and was quite spoiled, had everything at her fingertips,” Parker told TheWrap, adding that she carries some trauma after her father’s death. “But there’s a lot of pain under there, there’s a lot of eccentricities and neediness — she’s like a woman-child.”

That neediness is, of course, what worries Victoria’s husband, Timothy (Jason Isaacs), as he spirals over a white collar crime that is in the process of being uncovered during their vacation. While Posey notes Timothy...