Hille was nominated for the 2013 BAFTA TV Award for Best Supporting Actress for the 2012 miniseries The Fear. Her other TV roles include Kavanagh QC: The Sweetest Thing (1995), Trial & Retribution (1997), as Carole Lombard in RKO 281 (2000), The Cazalets (2001), Agatha Christie's Poirot: Three Act Tragedy (2010), and The Missing (2016). Her film roles include The Hole (2001), The Abandoned (2006), Snow White & the Huntsman (2012), and A United Kingdom (2016).