Alexandra Elizabeth Kingston (born 11 March 1963) is an English actress, who trained at the Royal Academy of Dramatic Art in London. Active from the early 1980s, Kingston became noted for her television work in both Britain and the US in the 1990s, including her portrayal of the title role in the British miniseries The Fortunes and Misfortunes of Moll Flanders (1996) and her regular role as Dr. Elizabeth Corday in the NBC medical drama ER (1997–2004). Later credits include the recurring role of River Song in the BBC science fiction series Doctor Who (2008–2015), Mrs. Bennet in the ITV1 period-drama fantasy Lost in Austen (2008) and Dinah Lance in The CW's superhero fiction drama series Arrow (2013–2016). Kingston's film credits include The Cook, the Thief, His Wife & Her Lover (1989), A Pin for the Butterfly (1994), The Infiltrator (1995), Croupier (1998), Essex Boys (2000), Boudica (Warrior Queen in the USA) (2003) in which she played the eponymous Boudica, Sweet Land (2005) and Crashing (2007).

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