Rockwell saw off competition from co-star Woody Harrelson, as well as Christopher Plummer (for All the Money in the World), Jenkins and Dafoe.
Sam Rockwell has won the Oscar for best supporting actor at the 90th Academy Awards, prevailing over stiff competition from Willem Dafoe of The Florida Project and Richard Jenkins of The Shape of Water to win his first Academy award.
“When I was 8 years old, I was sent to the principal’s office and my father was saying, ‘We have to go.
The victory completes Rockwell’s steady march toward the winner’s circle after the actor triumphed at the Golden Globes, Baftas and Screen Actors Guild awards.