El Premio del Sindicato de Actores a la mejor interpretación del reparto de una película es un premio otorgado por el Sindicato de Actores para premiar la mejor interpretación conjunta de un reparto en una película.
| Año | Película | Título original | Reparto |
|---|---|---|---|
| 2008 | Slumdog Millionaire | Slumdog Millionaire | Rubina Ali Tanay Hemant Chheda Ashutosh Lobo Gajiwala Azharuddin Mohammed Ismail Anil Kapoor Irrfan Khan Ayush Mahesh Khedekar Tanvi Ganesh Lonkar Madhur Mittal Dev Patel Freida Pinto |
| 2007 | No es país para viejos | No country for old men | Javier Bardem Josh Brolin Garret Dillahunt Tess Harper Woody Harrelson Tommy Lee Jones Kelly Macdonald |
| 2006 | Pequeña Miss Sunshine | Little Miss Sunshine | Alan Arkin Abigail Breslin Steve Carell Toni Collette Paul Dano Greg Kinnear |
| 2005 | Crash | Crash | Ludacris Sandra Bullock Don Cheadle Matt Dillon Jennifer Esposito Brendan Fraser Terrence Howard Thandie Newton Ryan Phillippe Larenz Tate |
| 2004 | Entre copas | Sideways | Thomas Haden Church Paul Giamatti Virginia Madsen Sandra Oh |
| 2003 | El Señor de los Anillos: El Retorno del Rey | The Lord of the Rings: The Return of the King | Sean Astin Sean Bean Cate Blanchett Orlando Bloom Billy Boyd Brad Dourif Bernard Hill Christopher Lee Ian McKellen Dominic Monaghan Viggo Mortensen John Noble Miranda Otto John Rhys-Davies Andy Serkis Liv Tyler Karl Urban Hugo Weaving David Wenham Elijah Wood |
| 2002 | Chicago | Chicago | Christine Baranski Ekaterina Chtchelkanova Taye Diggs Denise Faye Colm Feore Richard Gere Deidre Goodwin Mya Lucy Liu Queen Latifah Susan Misner John C. Reilly Dominic West Renée Zellweger Catherine Zeta-Jones |
| 2001 | Gosford Park | Gosford Park | Eileen Atkins Bob Balaban Alan Bates Charles Dance Stephen Fry Michael Gambon Richard E. Grant Tom Hollander Derek Jacobi Kelly Macdonald Helen Mirren Jeremy Northam Clive Owen Ryan Phillippe Kristin Scott Thomas Maggie Smith Geraldine Somerville Sophie Thompson Emily Watson James Wilby |
| 2000 | Traffic | Traffic | Steven Bauer Benjamin Bratt James Brolin Don Cheadle Erika Christensen Clifton Collins Jr. Benicio del Toro Michael Douglas Miguel Ferrer Albert Finney Topher Grace Luis Guzmán Amy Irving Tomás Milián D. W. Moffett Dennis Quaid Peter Riegert Jacob Vargas Catherine Zeta-Jones |
| 1999 | American Beauty | American Beauty | Annette Bening Wes Bentley Thora Birch Chris Cooper Peter Gallagher Allison Janney Kevin Spacey Mena Suvari |
| 1998 | Shakespeare enamorado | Shakespeare in Love | Ben Affleck Simon Callow Jim Carter Martin Clunes Judi Dench Joseph Fiennes Colin Firth Gwyneth Paltrow Geoffrey Rush Antony Sher Imelda Staunton Tom Wilkinson Mark Williams |
| 1997 | Full Monty | Full Monty | Mark Addy Paul Barber Robert Carlyle Deirdre Costello Steve Huison Bruce Jones Lesley Sharp William Snape Hugo Speer Tom Wilkinson Emily Woof |
| 1996 | Una jaula de grillos | The Bird Cage | Hank Azaria Christine Baranski Dan Futterman Gene Hackman Nathan Lane Dianne Wiest Robin Williams |
| 1995 | Apolo XIII | Apollo XIII | Kevin Bacon Tom Hanks Ed Harris Bill Paxton Kathleen Quinlan Gary Sinise |