“Oppenheimer” continued to steamroll through Hollywood’s awards season on Saturday, winning the top prize, for outstanding cast, along with awards for Cillian Murphy and Robert Downey Jr., at the 30th Screen Actors Guild Awards. Lily Gladstone won for her leading performance in “Killers of the Flower Moon.” Cillian Murphy won outstanding male actor in a leading role for his performance as J. Robert Oppenheimer, landing him his first SAG Award. Robert Downey Jr. and Da’Vine Joy Randolph each won for their supporting performances, solidifying their status as Oscar favorites. The ceremony streamed live on Netflix.