Nancy MacKenzie Seput (December 6, 1942 – June 14, 2024) was a Peruvian-born voice actress, stage and television actress, radio announcer, and former folk dancer who became a naturalized Mexican citizen. Based in Mexico, she worked for over 45 years as a voice actress and in the other areas mentioned. She was best known for voicing Marge Simpson in the Latin American dub of the animated series The Simpsons until the 15th season, and for voicing Trinity in The Matrix and The Matrix Reloaded, Sailor Galaxia in Sailor Moon Sailor Stars, and Daphne Blake in the Scooby-Doo franchise for the series The 13 Ghosts of Scooby-Doo, among many other characters.