Josie Walker is a Northern Irish musical theatre actress. She starred in musicals, such as The Sound of Music (London, 1992), Cats (English tour, 1993), The Beautiful Game (London, 2000) ; Laurence Olivier Award for Best Actress in a Musical nominee), Evita (New Zealand tour, 2004), Assassins (Sheffield, 2006), Side by Side by Sondheim (London, 2007), Matilda the Musical (Stratford, 2010 ; London, 2011) and Everybody's Talking About Jamie (London, 2017; Laurence Olivier Award for Best Actress in a Musical nominee). She also starred in some theatre works, including "War Horse" at the Royal National Theatre in 2014.Her father is comedian and television presenter Roy Walker.