Biography
Keir O'Donnell (born November 8, 1978) is an Australian actor best known for his roles in the films Wedding Crashers and Paul Blart Mall Cop. He also had guest appearances in episodes of the television series Lost, CSI, and The Closer.
Known For
Complete Filmography

Marmalade
2024
Director, Writer
Baron, an imprisoned man, strikes up a friendship with cellmate Otis. As the pair hatch an escape plan together, Baron recalls the story of how he met...

Ambulance
2022
as FBI Agent Anson Clark
Decorated veteran Will Sharp, desperate for money to cover his wife's medical bills, asks for help from his adoptive brother Danny. A charismatic care...

The Dry
2021
as Greg Raco
Aaron Falk returns to his drought-stricken hometown to attend a tragic funeral. But his return opens a decades-old wound - the unsolved death of a tee...

Diddie Wa Diddie
2019
as Brian
A French speaking otherworldly creature shows a recently separated couple what their true emotional needs and desires are.

I'm Just F*cking with You
2019
as Larry Adams
Siblings headed to a family wedding endure a night of increasingly frightening practical jokes while staying at a secluded motel.

The Hammer
2017
as Randy
When prison boxer George "The Hammer" Martin is offered freedom for fighting in the 1984 Olympics, he says no in order to protect the woman he loves, ...

Gifted
2017
as Bradley Pollard
Frank, a single man raising his child prodigy niece Mary, is drawn into a custody battle with his mother.

Incarnate
2016
as Oliver
An exorcist comes up against an evil from his past when he uses his skills to enter the mind of a nine year old boy.

Waffles and Bullet Holes: A Return to Sioux Falls
2016
as Self
Go behind the scenes of the second season of Fargo.
In the Night
2015
as A.P.
A.P.'s first night working for a mortuary is more than he bargained for.

Return to Sender
2015
as Tony Desantos
A nurse living in a small town goes on a blind date with a man who is not the person he says he is.

American Sniper
2014
as Jeff Kyle
U.S. Navy SEAL Chris Kyle takes his sole mission—protect his comrades—to heart and becomes one of the most lethal snipers in American history. His pin...

Bound for Greatness
2014
as Darren Meadows
Darren, who lives with Aspergers, has gone throughout his life not truly connecting with anyone. Seeking the comforting sounds of crashing waves one b...

Dawn of the Planet of the Apes
2014
as Finney
A group of scientists in San Francisco struggle to stay alive in the aftermath of a plague that is wiping out humanity, while Caesar tries to maintain...

A Case of You
2013
as Eliot
Young writer Sam has a crush on Birdie, the cute and quirky barista at his local coffee shop. When his conventional attempts to woo her crash and burn...

A Case of You
2013
Producer, Screenplay
Young writer Sam has a crush on Birdie, the cute and quirky barista at his local coffee shop. When his conventional attempts to woo her crash and burn...

Free Samples
2013
as Danny
A Stanford law-school dropout named Jillian escapes to the anonymity of Los Angeles to figure out what she wants to do with her life, and on the day o...

Worm
2013
as Dustin (Voice)
"Worm" tells the story of a man wanted for a double homicide in the small town of Guthrie, OK. Jason "Worm" Truitt has a young daughter that he loves ...

Complacent
2012
as Thomas Pulchek
Two close sisters, Myah and Beth, struggle with their differences in life and in the older sister's mentally abusive marriage, until the complacent li...

The Man Who Never Cried
2011
as Ralph Winston
Ralph Winston has never cried; not when he was a baby, not when his heart was crushed by his high school sweetheart, not even when he first saw Steven...
No Deal
2010
as Kygan
Mark can't believe his luck when he finds himself back at Cassie's place, after just meeting at a party earlier in the night. As everything seems to b...

The Runaways
2010
as Rodney Bingenheimer
Joan Jett and Cherie Currie, two rebellious teenagers from Southern California, become the frontwomen for The Runaways -- the now-legendary group that...

When in Rome
2010
as Priest (Father Dino)
Disillusioned with romance, Beth, an ambitious New Yorker, travels to Rome for her sister's wedding, where she plucks magic coins from a special fount...

Taking Chances
2009
as Digger Morris
When he discovers that an Indian casino is about to be built over the town's historic battlefield, Chase Revere, the self-appointed protector of a sma...

Paul Blart: Mall Cop
2009
as Veck
Mild-mannered Paul Blart has always had huge dreams of becoming a State Trooper. Until then, he patrols the local mall as a security guard. With his c...

Amusement
2008
as The Laugh
While being interrogated by a police psychiatrist, the near-catatonic Tabitha tries to explain why she and two of her childhood friends are being hunt...

Pathology
2008
as Ben Stravinsky
Medical student Ted Grey graduates at the top of his class and quickly joins an elite pathology program, whose top students invite him into their circ...

Flakes
2007
as Stuart
Aspiring rock musician Neal Downs manages a cereal bar. Stylish Miss Pussy Katz is the creator of radically-themed art clothing. When the cereal bar, ...

After Sex
2007
as David
Sex is a background to examine intimacy and vulnerability. Looks at the complexity of modern day relationships told through eight separate couples. Th...

What We Do Is Secret
2007
as Chris Ashford
The true-life story of Darby Crash, who became an L.A. punk icon with his band The Germs. Along with Lorna Doom, Pat Smear, and Don Bolles, Darby Cras...

Wild West Comedy Show: 30 Days & 30 Nights - Hollywood to the Heartland
2006
as Self
In the spirit of the old west variety shows, Vaughn played host to the ensemble of comedians and performed improvisational sketches with surprise cele...

The Break-Up
2006
as Date (Paul)
Pushed to the breaking-up point after their latest 'why can't you do this one little thing for me?' argument, Brooke calls it quits with her boyfriend...

Wedding Crashers
2005
as Todd Cleary
John and his buddy, Jeremy are emotional criminals who know how to use a woman's hopes and dreams for their own carnal gain. Their modus operandi: cra...

Starkweather
2004
as Bob Von Buch
In 1958 Nebraska, 19 year old garbageman Charles Starkweather goes on a murder spree with his 14 year old girlfriend Caril Ann Fugate. They kill 11 pe...
Coyote
N/A
Trapped in their Hollywood Hills home, a family fights for survival when caught between a raging wildfire and a pack of savage coyotes.