Brenna O'Brien (born March 9, 1991) is a Canadian actress and artist. She is best known for voicing Rin in the anime series Inuyasha. Brenna O'Brien was in the original pilot of The Middle in 2007 also starring Ricki Lake and Atticus Shaffer. This pilot was then re-created in 2009 with the current cast.
Brenna began her acting career at age 9, performing in local theatre productions and school plays. Her first film role was in Scooby-Doo 2: Monsters Unleashed at the age of 12 and from there went on to guest star in such films and televisions shows such as Supernatural as the NSA demon secretary Cecily, Stargate SG-1, Meghan in Zixx: Level Two, X-Men: The Last Stand, Phantom Racer and Girl in Progress. She is an accomplished voice over actor, having worked as a guest star as well as lead roles in several anime series, including InuYasha, Hamtaro, Mobile Suit Gundam SEED Destiny, and Elemental Gelade. She was a lead voice in Marvel’s animated feature Next Avengers: Heroes of Tomorrow, Marvel series Iron Man: Armored Adventures and Nintendo’s Dragalia Lost.
- Maison Ikkoku (1986-1988) - Additional Voices
- Dragon Ball Z (1989-1996) - Pan (Ocean Dub)
- Hamtaro (2000-2006) - Additional Voices
- InuYasha (2000-2004) - Rin
- Arjuna (2001) - Yukari Shirakawa
- Mobile Suit Gundam SEED Destiny (2004-2005) - Conille Almeta (Ocean Dub)
- Mobile Suit Gundam 00 (2007-2009) - Hilling Care
- InuYasha: The Final Act (2009-2010) - Rin, Additional Voices
- Yashahime: Princess Half-Demon (2020-2022) - Rin
- InuYasha the Movie: Affections Touching Across Time (2001) - Rin
- InuYasha the Movie: Swords of an Honorable Ruler (2003) - Rin
- InuYasha the Movie: Fire on the Mystic Island (2004) - Rin
Video Game Dubbing
- InuYasha - The Secret of the Cursed Mask (2004) - Rin