The Deep Blue Sea is a 2011 British romantic drama film directed by Terence Davies and starring Rachel Weisz, Tom Hiddleston, and Simon Russell Beale. It is an adaptation of the 1952 Terence Rattigan play The Deep Blue Sea about the wife of a judge who engages in an affair with a former RAF pilot. This film version is funded by the UK Film Council and Film4, produced by Sean O'Connor and Kate Ogborn.
For her performance, Weisz won the Best Actress Award at the 2012 New York Film Critics Circle Awards and also won the Best Actress Award from the Toronto Film Critics Association in the same year. In December 2012, Weisz was nominated as Best Actress in the 70th Golden Globe Awards. The film was also chosen as one of the Top Ten films of the year by The New York Times and The Los Angeles Times. The film has found a largely appreciative audience and critical success in the United States with Weisz's performance named as 'film performance of 2012' by David Edelstein of New York magazine.
(Summary from Wikipedia)