The film featured Chadwick Boseman, Michael B. Jordan, Danai Gurira and Lupita Nyong’o.
Rami Malek won the trophy for Best Actor in a Movie for Bohemian Rhapsody and Glenn Close won the award for Best Actress in a Movie for The Wife.
Emily Blunt won the prize for Best Supporting Actress in a Movie for her work in A Quiet Place and Mahershala Ali earned the accolade for Best Supporting Actor in a Movie for his performance in Green Book.
The SAG Awards honor excellence in both film and television acting.
The Marvelous Mrs. Maisel co-stars Rachel Brosnahan and Tony Shalhoub won the statuettes for Best Actress and Actor in a TV Comedy, then shared the Best Ensemble in a TV Comedy title with their castmates.
Sandra Oh was declared Best Actress in a TV Drama for Killing Eve and Jason Bateman was named Best Actor in a TV Drama for Ozark.
The stars of This is Us — including Sterling K. Brown, Mandy Moore, Milo Ventimiglia, Chrissy Metz and Susan Kelechi Watson — were voted Best Ensemble in a TV Drama.
Patricia Arquette scored the SAG Award for Best Actress in a TV Movie or Miniseries for Escape at Dannemora and Darren Criss picked up the statuette for Best Actor in a TV Movie or Miniseries for The Assassination of Gianni Versace.
Will & Grace co-star Megan Mullally hosted the gala at the Shrine Auditorium in Los Angeles.
M*A*S*H* icon Alan Alda received the SAG Life Achievement Award.