Mariska Hargitay is set to direct “My Mom Jayne,” an HBO documentary centered on her mother, actress and Playboy model Jayne Mansfield.

“This movie is a labor of love and longing. It’s a search for the mother I never knew, an integration of a part of myself I’d never owned, and a reclaiming of my mother’s story and my own truth,” Hargitay said of the project and opportunity, which comes 60 years after her death in 1967. “I’ve always believed there is strength in vulnerability, and the process of making this film has confirmed that belief like never before.”

The film, which will serve as Hargitay’s directorial debut, will also be produced by Hargitay and Trish Adlesic (“I Am Evidence”). Lauran Bromley will executive produce.

Here’s the official synopsis: “Mariska Hargitay was three years old when her mother, Jayne Mansfield, tragically died in a car accident...