Television:
* Criminal Minds (2005-2016, 2020-2022): Brewster is best known for her role as Emily Prentiss, a key member of the FBI's Behavioral Analysis Unit. She was a series regular for 11 seasons.
* Friends (2001-2004): Brewster appeared in five episodes as Kathy, a love interest for Joey.
* Huff (2004-2006): She starred in this Showtime drama as the love interest of the titular psychiatrist.
* Community (2011-2015): Brewster played the quirky and sometimes inappropriate FBI agent, Francesca "Frankie" Dart, in several episodes.
* The Game (2006-2015): She provided the voice of the character of "Pookie" in this BET sitcom.
* Angie Tribeca (2016-2018): Brewster had a recurring role as the quirky and confident Captain Denise "Dee" Vance in this comedy series.
* The Santa Clause (2022-present): Brewster plays the role of the new Mrs. Claus in this Disney+ series.
* The Rookie (2022-present): She has a recurring role as the new Captain of the LAPD's Training Division, Captain Denise "Dee" Vance.
Film:
* The Big Lebowski (1998): She had a small role as a "Bunny" in this cult classic.
* Miss Congeniality (2000): Brewster played a contestant in this comedy starring Sandra Bullock.
* Clockstoppers (2002): She had a supporting role in this family-friendly time travel film.
* The Specials (2000): This dark comedy, starring Rob Lowe, gave her a more prominent role.
* Dead Man on Campus (1998): Brewster appeared in this college comedy alongside Tom Green.
This is just a selection of her many projects. For a complete filmography, you can visit her page on IMDb or other online resources.