Australian actress has played Ellen Parsons in the cable television series Damages, which has earned her two Golden Globe and two Emmy nominations. She continued playing this role until the series finale which aired in September 2012. Along with Glenn Close, she appeared in all of the show’s fifty-nine episodes. In 2011, she starred in the critically acclaimed and financially successful films Insidious X-Men: First Class and Bridesmaids.
Byrne was in a relationship with Australian writer, director and actor Brendan Cowell for over six years. Cowell moved from Sydney to New York City, following Byrne’s success on Damages. The relationship ended in January 2010. Previously, she dated Australian writer/director Gregor Jordan, who directed her in Two Hands.
As of February 2013, Byrne resides in New York, US and has revealed that, as of this stage in her life, she remains insecure about a stable career, explaining, “I don’t think that [insecurity] ever leaves you. You’re a freelancer. There’s always an element of uncertainty.”