Mariska Hargitay, Jayne Mansfield's daughter, reveals her biological father is singer Nelson Sardelli, not Mickey Hargitay, the man who raised her.

Mariska Hargitay revealed a decades-long secret about her biological father in her new documentary. The “Law & Order: Special Victims Unit” star is the daughter of the late Jayne Mansfield and Mickey Hargitay.

Mariska Hargitay reveals her dad, Mickey, was not her biological father in an interview with 'Vanity Fair.' The 'Law & Order' actress will dive into the family secret in her upcoming documentary, 'My Mom Jayne,