Justine Mitchell

Mitchell was born in Dublin in 1973 to Denis Mitchell, Barrister, then senior counsel, queen’s counsel, and later a Judge in Bermuda: he was formerly an RTE journalist who was big inspiration for her career and helped her with her first sketch. When she was 12 her family moved to Hong Kong where she was bullied for her Irish accent. She said theatre helped her stay calm during tough times and developed a posh English accent. After returning to Ireland she studied drama at Trinity College Dublin. She moved to London where she worked various jobs aside from acting including working for Brentford F.C.^[1]

Prior to becoming a popular tv star Mitchell had a very successful theatre career where she was the winner of the Irish Times Best Supporting Actress in 2002 and bagged the UK Theatre Award for Best Supporting Actor in 2015.^[2] Her first big role came playing Elaine Lynch in the thriller series Smother.^[3][4] She made a one off appearance in the sitcom Derry Girls where portrayed the adult version of Janette.^[5] She is currently^[when?] playing Sandra in the Irish thriller series These Sacred Vows.^[6][7]

Her favourite shows as a child were Anything Goes, Wanderly Wagon, and Mister Ed. She was heavily influenced by Linda Carter of Wonder Woman while her favourite ever show is I Love Lucy. In February 2026 she stated her current favourite show is Barry starring Bill Hader.^[8]