Marie Downing is an American voice actress known for her work in English dubs of anime series during the late 1990s and early 2000s. This name is one of several pseudonyms used by Emilie Brown, who also performed under the names Emily Brown and Mary Cobb. She began her career in voice acting at a young age, with one of her earliest roles being Annie Labelle in the iconic series Robotech in 1985, for which she was credited as Mary Cobb.

Brown’s body of work from this period features a number of prominent roles in dubbed anime. As Marie Downing, she is credited with voicing Kotoko in the series The Legend of Black Heaven. Her other notable credits from this era include playing Jessie Gurtlant in Battle Athletes Victory, credited under the Marie Downing name, and Qawool Towles in El Hazard: The Alternative World. She also provided voices for the Fushigi Yûgi series and various characters in Adventures of Mini-Goddess.

While working on these dubs, Brown frequently used different names across productions. Under the name Emily Brown, she was the voice of Melfina in Outlaw Star and Alice Mizuki in Serial Experiments Lain. She also performed singing voice work for the character Rem Saverem in Trigun, in addition to voicing other characters in the series. Her roles in this period also included Aina Sahalin in Mobile Suit Gundam: The 08th MS Team and Ex in Ah! My Goddess The Movie.

Following her voice acting career in anime, which was based in the Los Angeles area, Brown transitioned to work behind the camera. She co-created, produced, and directed the children's television series Signing Time!, an educational program designed to teach American Sign Language to children.