The actress says her biological dad is Italian singer Nelson Sardelli, not Mickey Hargitay - something she discovered when she was in her 20s.

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.'

Special Victims Unit” star Mariska Hargitay has finally revealed who her biological father is—and it’s not Mickey Hargitay, the man she has celebrated