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Mariska Hargitay's Father's Day Surprise: Dad Wasn't Biological
28 Jun
Summary
- Mariska Hargitay learned Mickey Hargitay wasn't her biological father in her twenties.
- She discovered Las Vegas entertainer Nelson Sardelli was her biological father.
- Mickey Hargitay considered Mariska his daughter, regardless of biology.

Actress Mariska Hargitay recently shared a profound personal revelation regarding her fatherhood. For years, she believed her beloved adoptive father, Mickey Hargitay, was her biological parent.
It was not until her twenties that Hargitay discovered the truth: Las Vegas entertainer Nelson Sardelli was her biological father. This revelation, stemming from a documentary about her mother Jayne Mansfield, initially caused Mariska significant pain and feelings of betrayal. She confronted her father, Mickey, who firmly affirmed his parental role and love for her.
This moment became a turning point for Mariska, allowing her to understand her father's perspective and pain. She chose to forgive and move past the revelation, recognizing that Mickey's love and her identity as his daughter were paramount. Both Mickey and Nelson Sardelli had a mutual understanding regarding Mariska's upbringing.
Mariska later met Nelson Sardelli, telling him she had a father and was loyal to Mickey. Sardelli reportedly responded with tears, stating he had waited decades for that moment. Sardelli was featured in Mariska's 2025 documentary, 'My Mom Jayne'.