Movies
Ledger's performance, which has sparked calls for a posthumous Oscar, finished ninth in the poll of more than 2,500 film lovers by Lovefilm.com.
Anthony Hopkins's Academy Award-winning turn as Hannibal Lecter topped the survey, followed by Star Wars baddie Darth Vader, played by David Prowse and voiced by James Earl Jones.
Joe Pesci came in third for his role as gangster Tommy DeVito in Goodfellas, with Javier Bardem close behind for his Oscar-winning performance as hitman Anton Chigurh in No Country For Old Men.
Fifth and sixth spots were taken by Alan Rickman as Hans Gruber in Die Hard and Kathy Bates as nurse Annie Wilkes in Misery.
The top ten was rounded out by Kevin Spacey as John Doe in Se7en, Jack Nicholson as Jack Torrance in The Shining and Robert De Niro as Al Capone in The Untouchables.
Movie Reviews
'Extremely Loud & Incredibly Close' reviewTom Hanks features in a long and winding journey through New York after 9/11
At the Movies
David Lynch: 10 reasons to worship himIt's time to celebrate director David Lynch as the BFI screens a season of his films.
Movies Interviews
Max von Sydow 'Extremely Loud' interviewActing legend Max von Sydow on Extremely Loud & Incredibly Close, The Exorcist and Flash Gordon.
Box Office Charts
'The Woman in Black' wins UK box officeThe Woman in Black beats The Muppets and Star Wars at the the UK box office.
