Complex sentence: Keir O'Donnell (born 8 November 1978) is an Australian American actor best known for his roles in the comedy films "Wedding Crashers" and'.
Split into simpler sentences: Keir O'Donnell (born 8 November 1978) is an Australian-born American actor. O'Donnell is best known for his roles in the comedy films "Wedding Crashers" and'.