Mean Girls 2024 Cast Nia Sioux. I’m a musical theater girlie forever and always, so combining one of my favorite musicals with one of my favorite movies of all time was a match made in heaven. Nia opted to not attend the dance moms:

In the original film, the character’s last name is ian, but it was changed. Mean girls (2024) cast and crew credits, including actors, actresses, directors, writers and more.