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 is finally ready to share a lifelong family secret. In her new documentary “My Mom Jayne,” the “Law & Order: SVU” star reveals how she learned that the man who raised her, bodybuilder Mickey Hargitay,