Brenna O'Brien
Actress
Known for
Time and sheer volume of work have made Brenna O'Brien a veteran actress who has seen the business change around her more than once. Mystery accounts for the largest share of the work. Steady employment, rather than one breakout, gives the career its shape. Among all the titles, 'X-Men: The Last Stand' is the one that reached the widest audience. There is 'Scooby-Doo 2: Monsters Unleashed' as well. 1997 is the year the filmography opens.
Brenna O'Brien
Actress
15 Movies · 11 Series
Time and sheer volume of work have made Brenna O'Brien a veteran actress who has seen the business change around her more than once. Mystery accounts for the largest share of the work. Steady employment, rather than one breakout, gives the career its shape. Among all the titles, 'X-Men: The Last Stand' is the one that reached the widest audience. There is 'Scooby-Doo 2: Monsters Unleashed' as well. 1997 is the year the filmography opens.
Movies
Plays Buttercup Scout
Scooby-Doo 2: Monsters Unleashed
2004
Plays Girl in Toy Store
Charlie St. Cloud
2010
Plays Torunn (voice)
Next Avengers: Heroes of Tomorrow
2008
Plays Regina
Fear Island
2009
Plays Christy at 14 years old
Beneath
2007
Plays Valerie
Girl in Progress
2012
Plays Valentine
Max Havoc: Ring of Fire
2006
Plays Diminutive Girl
What Goes Up
2009
Plays Teacher Zombie
Zombie Bloodbath 3: Zombie Armageddon
2000
Plays Minivan Daughter
X-Men: The Last Stand
2006
TV Shows
Plays (voice)
Elemental Gelade
2005
Plays Ella-B Bedose
Tin Man
2007
Plays Samantha
R. L. Stine's The Haunting Hour
2010
Plays Talia
Knights of Bloodsteel
2009
Plays Young Brianna
Merlin's Apprentice
2006
Plays Courtney
Life Unexpected
2010
Plays Heather
Psych
2006
Plays Little Julia
The Dead Zone
2002
Plays Amy
Masters of Horror
2005
Plays Adria - Age 12
Stargate SG-1
1997
Plays Cecily
Supernatural
2005
Latest Trailers
Watch Trailer
Buying Back My Daughter
Full Filmography 26
Unforgotten
Nurse
2017
Supernatural
Cecily
2013Season 9
R. L. Stine's The Haunting Hour
Samantha
2012Season 3
Girl in Progress
Valerie
2012
The Haunting Hour: Scary Mary
Samantha
2011
R. L. Stine's The Haunting Hour
Samantha
2010Season 1
Life Unexpected
Courtney
2010Season 2
Charlie St. Cloud
Girl in Toy Store
2010
Fear Island
Regina
2009
Frequently Asked Questions
How old is Brenna O'Brien and where are they from?
Brenna O'Brien is 35 years old, born on March 9, 1991 in Brampton, Ontario, Canada.
What are the most famous roles of Brenna O'Brien?
Brenna O'Brien is best known for roles in X-Men: The Last Stand, Scooby-Doo 2: Monsters Unleashed, Charlie St. Cloud.
How many movies has Brenna O'Brien been in?
Over a 29-year career (since 1997), Brenna O'Brien has appeared in 15 movies and 11 TV shows.
What was Brenna O'Brien's first movie?
The career of Brenna O'Brien began with Vampire Holocaust (1997).
What is Brenna O'Brien's most recent movie or series?
Brenna O'Brien's most recent release is Buying Back My Daughter, which premiered on October 7, 2023.
What TV shows has Brenna O'Brien appeared in?
On television, Brenna O'Brien has appeared in Supernatural, Stargate SG-1, Psych, Masters of Horror.
Brenna O'Brien
1991-03-09 · Brampton, Ontario, Canada
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.