Neighbors stars the actress Rose Byrne.
Neighbors (2014 film) . The film stars Seth Rogen , Zac Efron , Rose Byrne , Dave Franco and Christopher Mintz-Plasse . Mary Rose Byrne ( born 24 July 1979 ) is an Australian actress . Byrne made her screen debut in 1992 with a small role in the film Dallas Doll . In 2000 , she played a leading role in the Australian film The Goddess of 1967 , which brought her a Venice Film Festival award for Best Actress . From 2007 to 2012 , she played Ellen Parsons in the cable television series Damages , which earned her two Golden Globe and two Emmy nominations . Byrne has also starred in the films Troy , 28 Weeks Later , Knowing , Insidious , X-Men : First Class , X-Men : Apocalypse , as well as the comedies Get Him to the Greek , Bridesmaids , Neighbors , its sequel Neighbors 2 : Sorority Rising and Spy .