Keir O'Donnell

This biography of a living person relies on a single source. You can help by adding reliable sources to this article. Contentious material about living people that is unsourced or poorly sourced must be removed immediately. (May 2014) (Learn how and when to remove this message)

Keir O'Donnell
Keir O'Donnell in 2016
Nationality	Australian, American
Occupation	Actor
Years active	2002–present

Keir O'Donnell is an Australian–American actor, best known for his roles in the films Wedding Crashers (2005), The Break-Up (2006), Paul Blart: Mall Cop (2009) and American Sniper (2014), as well as numerous television appearances.