Outstanding Performance by a Cast in a Motion Picture
* The Lord of the Rings: The Return of the King – Sean Astin, Sean Bean, Cate Blanchett, Orlando Bloom, Billy Boyd, Bernard Hill, Ian Holm, Ian McKellen, Dominic Monaghan, Viggo Mortensen, John Noble, Miranda Otto, John Rhys-Davies, Andy Serkis, Liv Tyler, Karl Urban, Hugo Weaving, David Wenham, and Elijah Wood
In America – Emma Bolger, Sarah Bolger, Paddy Considine, Djimon Hounsou, and Samantha Morton
Mystic River – Kevin Bacon, Laurence Fishburne, Marcia Gay Harden, Laura Linney, Sean Penn, and Tim Robbins
Seabiscuit – Elizabeth Banks, Jeff Bridges, Chris Cooper, William H. Macy, Tobey Maguire, and Gary Stevens
The Station Agent – Paul Benjamin, Bobby Cannavale, Patricia Clarkson, Peter Dinklage, Raven Goodwin, and Michelle Williams

Outstanding Performance by a Male Actor in a Leading Role
* Johnny Depp – Pirates of the Caribbean: The Curse of the Black Pearl as Captain Jack Sparrow
Peter Dinklage – The Station Agent as Finbar McBride
Ben Kingsley – House of Sand and Fog as Massoud Amir Behrani
Bill Murray – Lost in Translation as Bob Harris
Sean Penn – Mystic River as Jimmy Markum

Outstanding Performance by a Female Actor in a Leading Role
* Charlize Theron – Monster as Aileen Wuornos
Patricia Clarkson – The Station Agent as Olivia Harris
Diane Keaton – Something’s Gotta Give as Erica Jane Barry
Naomi Watts – 21 Grams as Cristina Peck
Evan Rachel Wood – Thirteen as Tracy Louise Freeland

Outstanding Performance by a Male Actor in a Supporting Role
* Tim Robbins – Mystic River as Dave Boyle
Alec Baldwin – The Cooler as Shelly Kaplow
Chris Cooper – Seabiscuit as Tom Smith
Benicio del Toro – 21 Grams as Jack Jordan
Ken Watanabe – The Last Samurai as Moritsugu Katsumoto

Outstanding Performance by a Female Actor in a Supporting Role
* Renée Zellweger – Cold Mountain as Ruby Thewes
Maria Bello – The Cooler as Natalie Belisario
Keisha Castle-Hughes – Whale Rider as Paikea Apirana
Patricia Clarkson – Pieces of April as Joy Burns
Holly Hunter – Thirteen as Melanie Freeland