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.
O'Brien guest-starred on Supernatural as the NSA demon secretary, Cecily. She also played Meghan in Zixx: Level Two and appeared in X-Men: The Last Stand. She starred in Phantom Racer and Girl in Progress.[1] She did voice over work for Yuko Sasamoto in Hamtaro, and Gundam SEED Destiny.