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

It was like the floor fell out from underneath me,' Hargitay says in the new film, her feature directorial debut.

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.'