Taiwanese film-maker Ang Lee was presented with the David Lean Award For Achievement In Direction, while Jake Gyllenhaal was honoured for his performance as gay rodeo cowboy JACK TWIST - beating off competition from George Clooney who left empty-handed despite being nominated in four categories.
Gyllenhaal's co-star Heath Ledger was beaten to the Best Actor Award by Capote actor Philip Seymour Hoffman, and Golden Globe-winner Reese Witherspoon was named Best Actress for her stunning performance in Walk the Line.
Zambian-born star Thandie Newton won the Best Supporting Actress Award for her powerful portrayal of a racially abused woman in Crash, and writer/director Paul Haggis and BOBBY MORESCO won the Best Original Screenplay Award.
The Constant Gardener scooped a staggering ten nominations last month (JAN06), but was widely snubbed by the British Academy, winning only the Best Editing Award.
Memoirs Of A Geisha picked up two awards - Best Cinematography, Best Costume Design - and composer John Williams was honoured with The Anthony Asquith Award For Achievement In Film Music for his score for the period epic.
The full list of winners is as follows:
Best Film: BROKEBACK MOUNTAIN
The Alexander Korda Award For The Outstanding British Film Of The Year: WALLACE + GROMIT: THE CURSE OF THE WERE-RABBIT
The Carl Foreman Award For Special Achievement By A British Director, Writer Or Producer In Their First Feature Film: JOE WRIGHT (Director) - PRIDE + PREJUDICE
The David Lean Award For Achievement In Direction: BROKEBACK MOUNTAIN - ANG LEE
Best Original Screenplay: CRASH - PAUL HAGGIS/BOBBY MORESCO
Best Adapted Screenplay: BROKEBACK MOUNTAIN - LARRY McMURTRY/Diana OssanaBest Film Not In The English Language: DE BATTRE MON COEUR S'EST ARRÊTÉ (The Beat That My Heart Skipped)
Best Actor In A Leading Role: PHILIP SEYMOUR HOFFMAN - CAPOTE
Best Actress In A Leading Role: REESE WITHERSPOON - WALK THE LINE
Best Actor In A Supporting Role: JAKE GYLLENHAAL - BROKEBACK MOUNTAIN
Best Actress In A Supporting Role: THANDIE NEWTON - CRASH
The Anthony Asquith Award For Achievement In Film Music: MEMOIRS OF A GEISHA - JOHN WILLIAMS
Best Cinematography: MEMOIRS OF A GEISHA
Best Editing: THE CONSTANT GARDENER
Best Production Design: Harry Potter AND THE GOBLET OF FIRE
Best Costume Design: MEMOIRS OF A GEISHA
Best Sound: WALK THE LINE
Achievement In Special Visual Effects: King Kong
Best Short Animation Film: FALLEN ART
Best Short Film: ANTONIO'S BREAKFAST
The Orange Rising Star Award: James McAvoy
Academy Fellowship: David Puttnam.