"American Hustle" has won the Screen Actors Guild award for outstanding cast, boosting its already strong Academy Awards prospects.
The other nominees were "12 Years a Slave," ''Dallas Buyers Club," ''August: Osage County" and "Lee Daniels' The Butler."
Bradley Cooper spoke on behalf of the ensemble, which also includes Amy Adams, Jennifer Lawrence and Christian Bale.
Cooper hailed director David O Russell as "the epitome of the actor's director."
Here's the complete list of winners:
Actor: Matthew McConaughey, "Dallas Buyers Club"
Actress: Cate Blanchett, "Blue Jasmine"
Supporting actor: Jared Leto, "Dallas Buyers Club"
Supporting actress: Lupita Nyong'o, "12 Years a Slave"
Cast: "American Hustle"
Stunt ensemble: "Lone Survivor"
Actor in a comedy series: Ty Burrell, "Modern Family"
Actress in a comedy series: Julia Louis-Dreyfus, "Veep"
Comedy series cast: "Modern Family"
Actor in a movie or miniseries: Michael Douglas, "Behind the Candelabra"
Actress in a movie or miniseries: Helen Mirren, "Phil Spector"
Drama series cast: "Breaking Bad"
Actor in a drama series: Bryan Cranston, "Breaking Bad"
Actress in a drama series: Maggie Smith, "Downton Abbey"
Stunt ensemble: "Game of Thrones"
Life Achievement: Rita Moreno
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