What movie and television projects has Nanie Union been in?

It seems you're asking about Nia Long, not Nanie Union.

Nia Long is a well-known actress with a long and impressive career. Here are some of her notable film and television projects:

Movies:

* Boyz N the Hood (1991)

* Friday (1995)

* Love Jones (1997)

* The Best Man (1999)

* Big Momma's House (2000)

* The Best Man Holiday (2013)

* The Hate U Give (2018)

* Fatal Affair (2020)

Television:

* The Fresh Prince of Bel-Air (1991-1996)

* Third Watch (1999-2005)

* Soul Food (2000-2004)

* The Division (2001-2004)

* Life (2007-2009)

* The Closer (2005-2012)

* The Best Man Final Chapters (2021-2023)

* Fatal Affair (2020)

* The Equalizer (2021-present)

This is not an exhaustive list, but it includes some of her most notable and popular works.