|Date of birth:||July 3, 1965|
|Place of birth:||Frederikshavn, Denmark|
|Number of appearances:||1|
Nielsen played Detective Dani Beck in six Law & Order: Special Victims Unit episodes. She filled in for Mariska Hargitay, who was on maternity leave at the time of filming. She is also known for her role in several DC movies as Queen Hippolyta, mostly Wonder Woman, Justice League, and Wonder Woman 1984.