<Tr> <Th> Budget </Th> <Td> $150 million </Td> </Tr> <Tr> <Th> Box office </Th> <Td> $585.3 million </Td> </Tr> <P> I Am Legend is a 2007 American post-apocalyptic science fiction horror film based on the novel of the same name, directed by Francis Lawrence and starring Will Smith, who plays US Army virologist Robert Neville . The story is set in New York City after a virus, which was originally created to cure cancer, has wiped out most of mankind, leaving Neville as the last human in New York, other than nocturnal mutants . Neville is immune to the virus and he works to develop a cure while defending himself against the hostile mutants . </P> <P> Warner Bros. began developing I Am Legend in 1994, and various actors and directors were attached to the project, though production was delayed due to budgetary concerns related to the script . Production began in 2006 in New York City, filming mainly on location in the city, including a $5 million scene at the Brooklyn Bridge . It is the third feature - film adaptation of Richard Matheson's 1954 I Am Legend novel, following 1964's The Last Man on Earth and 1971's The Omega Man . </P>

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