Adriana Casas is a Mexican voice actress and narrator with a extensive career in Latin American Spanish dubbing, known for her work in a wide range of animated series, films, and live-action productions. She was born on July 17, 1967, in Mexico City and is a member of the SITATYR union. Her interest in acting began in her youth and was solidified after she took an introductory acting course at the National Institute of Fine Arts. She entered the world of dubbing after a successful audition, initially taking on minor roles before refining her technique in workshops taught by renowned figures in the industry like Esteban Siller and Luis Alfonso Mendoza.

Casas has built a prolific career with a vast filmography that spans various genres. She is particularly well-regarded for her recurring roles as the Spanish voice for prominent actresses such as Laura Dern, Julianne Moore, Marisa Tomei, Laura Linney, and Olivia Colman, among others. Her work in live-action dubbing includes voicing Lois Griffin in the long-running animated series Family Guy from its fourth to eleventh season, Cersei Lannister in Game of Thrones, Lindsay Monroe in CSI: NY, and Edie Britt in Desperate Housewives.

Within the realm of anime and animation, Adriana Casas has lent her voice to numerous characters. She is known for her portrayal of the powerful Sinnoh Champion Cynthia in the Pokémon anime series during the Diamond and Pearl, Black and White, and Journeys seasons. Her other notable anime roles include Rem Saverem in Trigun, Yui Ikari in the Renewal of Evangelion, Páradox de Géminis in Knights of the Zodiac Omega, and Carrie Dunham in Kuromukuro. In addition to the role of Cynthia in Pokémon, she has also voiced the Pokémon Chikorita in a special episode and the recurring character Cassidy in the Diamond and Pearl series. Her work also extends to characters in other animations such as Missy Eleanor Mangancha in The Grim Adventures of Billy & Mandy and Retsuko's mother in Aggretsuko.

Throughout her decades-long career, Adriana Casas has become a highly respected and sought-after talent in the Mexican dubbing industry, recognized for her versatility, skill, and ability to bring a wide array of characters to life.