Loretta Santini is a Mexican voice actress and singer who provides voices in the Latin American narration of Thomas & Friends.
She is best known for voicing Charlotte Pickles from "Rugrats", Lucy Packard from "My Little Pony: Friendship is Magic", Miss Slovak from "Hey Arnold!", Margery from "Mike, Lu & Og", Principal Victoria from "South Park" and for being the original voice of Edna Krabbapel from "The Simpsons".
- Both she and Agnieszka Kunikowska voiced Margery from "Mike, Lu & Og" in their respective languages.
- She, Radovan Vaculík, Ringo Starr, Carlos Enrique Bonilla, Jorge Ornelas, Enzo Avolio, Víctor Delgado, Bohuslav Kalva, Daiki Nakamura, Aku Laitinen, Marjolein Algera, Jukka Voutilaninen, Shinobu Adachi, Pasi Ruohonen, Olga Hnidey, Don Nemitz, Bin Shimada, Reinder van der Naalt, Ángel Amorós, Gerardo Reyero, Luis Alfonso Padilla, Octavio Rojas, Louise Raeder, Humberto Vélez, Hadar Shachaf Ma'ayan, Chie Kōjiro, Samuel Harjanne, Keiko Toda, Pierce Brosnan, George Carlin and Alec Baldwin all worked on "The Simpsons".