In movies, Avery played internet girlfriend "LaFawnduh Lucas-Dynamite" in the 2004 film Napoleon Dynamite. At the time of being cast, Avery was working as a contracts executive at the Hilton Hotels Corporation in Beverly Hills. She subsequently had supporting roles in the films Trippin' and Domino. She also appeared in Déjà Vu with Denzel Washington, in which she was directed by Tony Scott for the second time. In 2012, Avery appeared in End of Watch, starring Jake Gyllenhaal and Michael Peña. The movie was filmed in her native South Central Los Angeles, and was written and directed by Training Day Writer David Ayer.