The science-fiction Nicolas Cage vehicle '
Knowing' was the top-selling title on Blu-ray during the week ended August 9, according to data released by the British Video Association. The previous week's number one, '
Watchmen', dropped to second place. Places three and four were taken by two horror movies from Momentum Pictures: '
Let the Right One In' and '
Lesbian Vampire Killers'.
'
Gran Torino' continued in the top 10 in its sixth week on shelves.