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

Mariska Hargitay says that in her 20s, she discovered that the man who raised her was not her biological father — but she has no regrets: 'I grew up where I was supposed to.'

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.