Mariska Hargitay’s new documentary, “My Mom Jayne,” doesn’t just explore the life of her famous mom, actress Jayne Mansfield. The film, which premiered at the Cannes Film Festival on May 17, also reveals the real identity of her biological father.

Special Victims Unit” star Mariska Hargitay has finally revealed who her biological father is—and it’s not Mickey Hargitay, the man she has celebrated

Mariska was in the backseat of a car when her famous mother was killed in a 1967 auto accident. Find out more about the actress' parents, here.