Brenna O'Brien - Actor Profile

Brenna O'Brien

Acting
Updated: Apr 11, 2026
24Total Films
8.2 Highest Rated
Born: Mar 9, 1991
Birth Place: Brampton, Ontario, Canada

About Brenna O'Brien

Brenna O'Brien (born March 9, 1991) is a Canadian actress. She is best known for voicing Rin in the anime series Inuyasha. 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. O'Brien 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, 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.

Brenna O'Brien Movies & Career Overview

The filmography of Brenna O'Brien reflects a career marked by diverse experimentation. Across 24 major appearances, the actor has built a reputation through performances in multiple genres and storytelling styles.

Dominant Genre

A large portion of Brenna O'Brien's work falls within the TV Movie genre, where audiences tend to respond most strongly to their on-screen presence.

Success Ratio

Approximately 33% of Brenna O'Brien's films maintain ratings above 6.5, indicating a consistent level of audience approval.

One of the most highly rated entries in their career remains Buying Back My Daughter, which stands out as a key performance.

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Best Brenna O'Brien Movies Ranked

Must-watch hits from Brenna O'Brien's career based on audience ratings.

Full Filmography

Every movie Brenna O'Brien has appeared in, with audience ratings and verdicts.

Brenna O'Brien - Frequently Asked Questions

What is the best movie of Brenna O'Brien?

According to audience ratings, the best movie starring Brenna O'Brien is "Buying Back My Daughter" with a rating of 8.2/10.

How many movies has Brenna O'Brien acted in?

Brenna O'Brien has been featured in at least 24 major films throughout their career.

What are some other popular movies by Brenna O'Brien?

Other notable films include "MatchMaker Mysteries: A Fatal Romance", "Aurora Teagarden Mysteries: A Very Foul Play", and "Mystery 101: An Education in Murder".

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