The twenty-first season of the American crime-drama television series Law & Order: Special Victims Unit premiered on Thursday September 26, 2019 on NBC and concluded on April 23, 2020. This made the series the longest-running U.S. prime-time drama in history. The season is produced by Wolf Films and Universal Television; the showrunner being Warren Leight.

Jamie Gray Hyder is an American actress and model. She performed voice and motion capture work for the role of Lieutenant Nora Salter in Call of Duty: Infinite Warfare and voice acted for the operator Roze in Call of Duty: Modern Warfare. She also played Lucia Solano in season 2 of Graceland, and the werewolf Danielle in Seasons 5 and 6 of True Blood. Hyder starred as Detective Katriona "Kat" Tamin on Law & Order: Special Victims Unit from 2019 to 2021.