Jason O'Mara is an Irish actor best known for his television roles as A.B. Stiles in The Agency (2002-2003), as Charles Conti in In Justice (2006), as Detective Sam Tyler in Life on Mars (2008-2009) and as Jim Shannon in Terra Nova, in 2011.
He also had a starring role as Deputy Jack Lamb, Ralph's younger brother who serves as his deputy, in the period drama television series Vegas, from 2012-2013.
O'Mara never planned on acting as a profession. Growing up in Ireland, he was an avid rugby player and insists that he wasn't the theatre type until he suffered a sports injury and was sidelined for several weeks.
While recovering, he tried out for the school play and won a part. The thrill of opening night sealed his fate. His former passion for sports transferred to acting, he applied to Trinity College in Dublin, where he received his degree in drama.
O'Mara was nominated for Best Supporting Actor at the 2002 Irish Theatre Awards for his performance in Bash, written and directed by Neil LaBute at the Gate Theatre in Dublin.
He went on to appear in the multi award-winning production of Harold Pinter's The Homecoming with Ian Holm, which played in Dublin, London and at the Lincoln Center in New York.
On television O'Mara has starred in the series The Agency, Band of Brothers and In Justice among others.
Jason is married to actress Paige Turco and has a son, David. The family divide their time between New York and Los Angeles, and make frequent trips to Ireland.