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

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,

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.'