Amanda graduated from RADA in 1992 and joined the Royal Shakespeare Company in 2001. She won Outstanding Newcomer at the 2003 London Evening Standard Theatre Awards. Amanda made her name in the theatre by appearing in numerous roles; among them being Lorca's The House of Bernarda Alba, Jacobean drama Eastward Ho!, And Noel Coward's Blithe Spirit. She's been in many TV shows, including Men Behaving Badly, The Golden Hour, No Angels and Spooks. She appeared in an episode of M.I.T.: Murder Investigation Team alongside Lindsey Coulson who played Carol Jackson in EastEnders and was directed by former EastEnders star Susan Tully.