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,

Actress Mariska Hargitay released a family secret bombshell in a new interview. For years, it was publicly believed that Hargitay's father was Mickey Hargitay, described by Vanity Fair as "a Hungarian bodybuilding champion turned actor who married Mansfield in 1956.