NEW : ` Leo , whose acceptance speech included a censored expletive , used Douglas 's cane to walk off stage . ` ` King 's Speech '' wins best actor , picture , director and screenplay Oscars . NEW : Colin Firth sweeps best actor honors . New : `` Inception '' wins 4 Oscars .
NEW : ` ` King 's Speech '' wins best actor , picture , director and screenplay Oscars . NEW : Colin Firth sweeps best actor honors . New : `` Inception '' wins 4 Oscars .