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LOS ANGELES — The dark comedy "Three Billboards Outside Ebbing, Missouri" won three prizes at the Screen Actors Guild Awards on Sunday in a ceremony marked by women and their stories amid the sexual misconduct scandal that has swept Hollywood.

The Fox Searchlight film about a furious woman seeking justice for the murder of her daughter was named best ensemble, the top SAG honor.

Frances McDormand won best actress and Sam Rockwell took home the best supporting actor statuette for their roles in the film.

The cast of "This Is Us," which won for best drama ensemble, during the Screen Actors Guild Awards in Los Angeles on Sunday. Kevork Djansezian / Getty Images

Gary Oldman won best actor for playing the British wartime leader Winston Churchill in Focus Features' "Darkest Hour." Allison Janney won for her supporting actress role as a demanding mother in the independent ice-skating movie "I, Tonya."

The SAG Awards are indicators of likely Oscar success in March, because actors form the largest group of voters in the Academy of Motion Picture Arts and Sciences. Oscar nominations will be announced on Tuesday.

The SAG ceremony took place after two days of marches by hundreds of thousands of women throughout the United States.

The host, Kristen Bell, said women were having a "watershed moment."

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"Let's make sure we lead the charge with empathy and diligence, because fear and anger never win the race," said Bell, the star of television's "The Good Place."

Accusations of sexual misconduct have forced dozens of powerful men in Hollywood to step down or to be fired or dropped from creative projects.

Related: Sexual misconduct: A growing list

Women, many of them leading actresses, have responded by breaking their silence through the #MeToo social media movement and the Time's Up campaign for legal support of victims.

On the red carpet, women swapped the black gowns that marked support for victims of sexual harassment at the Golden Globes two weeks ago for brighter blues, green and metallic hues.

Related: #MeToo, powerful Oprah speech dominate Golden Globes

Women were also the dominant theme inside the Shrine Auditorium.

Nicole Kidman won for playing a battered wife in HBO's female-centric TV series "Big Little Lies."

"How wonderful that our careers today can go beyond 40 years old," said Kidman, who is 50. "Twenty years ago, we were pretty washed up by this stage in our lives. This is not the case now."

Morgan Freeman and Rita Moreno at the Screen Actors Guild Awards in Los Angeles on Sunday. Moreno presented Freeman with the award for lifetime achievement. Dimitrios Kambouris / Getty Images

Aziz Ansari, who was nominated for his Netflix comedy series, "Master of None," was a no-show on Sunday after he made headlines last week when a woman described feeling violated following an awkward date last year. Ansari said he believed their sexual activity was consensual.

Ansari lost the television comedy actor statuette to William H. Macy for "Shameless."

James Franco, a best actor nominee for "The Disaster Artist," did show up, but he skipped the red carpet and didn't win. Franco had kept a low profile since describing allegations of sexual impropriety against him by five women two weeks ago as "not accurate."

Related: Will sexual misconduct allegations derail James Franco's Oscar chances?

In television, NBC's sentimental family drama "This Is Us" won for best drama ensemble cast in a surprise win over the presumed front-runners, "The Crown" and the dystopian series "A Handmaid's Tale."

The cast of the HBO political satire "Veep" won best ensemble for a television comedy. Julia Louis-Dreyfus, who is undergoing treatment for breast cancer and missed the SAG show, was named best comedy actress.

"She's genuinely been in good spirits when we've seen her, which I think will carry her along," Timothy Simons, who plays Jonah Ryan on "Veep," told reporters on Sunday. "She is incredibly strong and is uniquely able to combat something like this."