Wikipedia
Daybreakers
Daybreakers is a 2009 Australian science-fiction horror film written and directed by Australian filmmakers Michael and Peter Spierig. The film takes place in a futuristic world overrun by vampires. A vampiric corporation sets out to capture and farm the remaining humans while researching a blood substitute. Lead vampire hematologist Edward Dalton's ( Ethan Hawke) work is interrupted by human survivors led by former vampire "Elvis" ( Willem Dafoe), who has a cure that can save the human species.
Daybreakers premiered at the Toronto International Film Festival and was released in the United Kingdom on 6 January 2010 and in North America on 8 January 2010. The film grossed over $US50 million and received positive critical reception.