Round Tower as the young Vanessa Radcliffe, a wealthy girl from an affluent family who is forced to leave her home after becoming pregnant. Fox played Jeannie Hurst in the 2000 remake of Randall and Hopkirk. In 2002 she starred in The Pianist as Dorota, a beautiful, blond, non-Jewish cellist who adores the playing of the Polish-Jewish pianist and composer Władysław Szpilman (played by Adrien Brody). The film was directed by Roman Polanski. In 2003, she played Jane Seymour in a two-part television biographical film about King Henry VIII. She also played the title role in Katherine Howard, directed by Robin Lefevre at the Chichester Festival Theatre in 1998. In 2004, she joined the cast of the crime drama, Silent Witness. As of 2023, she is still in the show and has now played the role of Nikki Alexander for nineteen years. 2004 also saw her play Lady Margaret in Part 2 of Gunpowder, Treason and Plot, the mini-series about James I (James VI in Scotland) and the Gunpowder Plot. In 2005, Fox appeared in the BBC miniseries The Virgin Queen, a four-part miniseries based upon the life of Queen Elizabeth I, Fox played Amy Dudley, the first wife of Robert Dudley, played by Tom Hardy, despite appearing in only one episode, her character remains a key character in the series. In 2008 she played Sister Jean in Baillie Walsh's Flashbacks of a Fool, which also featured Daniel Craig. She also starred in Things To Do Before You're 30 with Billie Piper, who would later marry her first cousin Laurence Fox, although in 2016 they divorced. She was cast as Lynne Frederick in the 2004 film The Life and Death of Peter Sellers, which starred Geoffrey Rush in the lead role. A whole section of the film focusing on the Frederick/Sellers relationship was removed in the final edit, although she can be seen briefly in a background shot towards the end of the film. The deleted scenes with Fox can be found among the special features on the DVD release of the film. in 2007, Fox was reunited with her Rebecca co-star Charles Dance when they starred together in the ITV1 mini-series Fallen Angel, Fox played a serial killer Rosie Byfield, with Dance appearing as her father. The rewind format in which the show was shot traced the development of the killer streak of Fox's character. Fox and Dance had