Affleck also won the best director award at the biggest night of the British film industry, while Daniel Day-Lewis was named best actor for Lincoln and France's Emmanuelle Riva won best actress for Amour (which opens Friday, Feb. 15 in Boise).
Here is a list of winners in the main categories of the BAFTAs, handed out Sunday evening in London.
BEST FILM: Argo
OUTSTANDING BRITISH FILM: Skyfall
BEST DIRECTOR: Ben Affleck for Argo
LEADING ACTOR: Daniel Day-Lewis in Lincoln
LEADING ACTRESS: Emmanuelle Riva in Amour
SUPPORTING ACTOR: Christoph Waltz in Django Unchained
SUPPORTING ACTRESS: Anne Hathaway in Les Miserables
ORIGINAL SCREENPLAY: Quentin Tarantino for Django Unchained"
ADAPTED SCREENPLAY: David O. Russell for Silver Linings Playbook
FILM NOT IN THE ENGLISH LANGUAGE: Amour
ORIGINAL MUSIC: Skyfall
CINEMATOGRAPHY: Life of Pi