Cast & creator
Brenna O'Brien
Best known for Supernatural, Stargate SG-1, Psych
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.
25
film credits
13
television credits
38
1997–2023 · acting roles
6.6
average across scored titles
Signature credits
Known for
Across film & television
Filmography (38)
Showing 38 of 38 credits
Supernatural
Cecily
2005
Stargate SG-1
Adria - Age 12
1997
Psych
Heather
2006
The Dead Zone
Little Julia
2002
R. L. Stine's The Haunting Hour
Samantha
2010R. L. Stine's The Haunting Hour
Lyria
2010
Masters of Horror
Amy
2005
Life Unexpected
Courtney
2010
Elemental Gelade
(voice)
2005
Tin Man
Ella-B Bedose
2007
Charlie St. Cloud
Girl in Toy Store
2010
Scooby-Doo 2: Monsters Unleashed
Buttercup Scout
2004
Zixx
2004
Next Avengers: Heroes of Tomorrow
Torunn (voice)
2008
Knights of Bloodsteel
Talia
2009
Merlin's Apprentice
Young Brianna
2006
Murder, She Baked: A Deadly Recipe
Carly Winters
2016
Aurora Teagarden Mysteries: A Very Foul Play
Monica Swanson
2019
Girl in Progress
Valerie
2012
The 12 Disasters of Christmas
Elizabeth
2012
Fear Island
Regina
2009
Buying Back My Daughter
Lori
2023
Mystery 101: An Education in Murder
Ella Quincy
2020
Garage Sale Mystery: The Deadly Room
Tina
2015
Gym Teacher: The Movie
Morgan
2008
Beneath
Christy at 14 years old
2007
Max Havoc: Ring of Fire
Valentine
2006
MatchMaker Mysteries: A Fatal Romance
Caroline Higgins
2020
What Goes Up
Diminutive Girl
2009
Phantom Racer
Jesse
2009
Perfect Child
Older Girl
2007
Zombie Bloodbath 3: Zombie Armageddon
Teacher Zombie
2000
The Screwfly Solution
Amy
2006
X-Men: The Last Stand
Minivan Daughter
2006
Unforgotten
Nurse
2017
Whispers in the Gloom
Alien Scientist
1998
Vampire Holocaust
Leather
1997
The Shivers
Skylar
1998