The HBO Original project about Jayne Mansfield is directed and produced by Hargitay and features interviews the "Law & Order: SVU" star conducted with her siblings, biological father and stepmother about the mom Hargitay never got the chance to really know.

In her new film, 'My Mom Jayne,' Mariska Hargitay reveals that she can finally see traces of herself in her late mother, Jayne Mansfield, which also extends to Hargitay's longest-running role as Olivi

The SVU star's late mother had a great answer when comedian Groucho Marx said he knew she wasn't really a "dumb blonde."