Mariska Hargitay’s fans believed she was the daughter of Hollywood icons Jayne Mansfield and Mickey Hargitay. However, in May 2025, the Law & Order: Special Victims Unit actress revealed a major family secret – sharing that her biological father is actually Nelson Sardelli.

Mariska Hargitay also shares a bombshell secret about the identity of her real father in the documentary 'My Mom Jayne.'

In a stunning revelation that has sent ripples through Hollywood and beyond, actress Mariska Hargitay has shared a deeply personal family secret she has held for over three decades. TheLaw & Order: Special Victims Unit star,