Gary Oldman wins the best actor award for Darkest hour. He played the role of Winston Churchill in the second world war drama. The 90th Academy Awards is hosted by Jimmy Kimmel, who also addressed the sexual harassment scandals that have rocked Hollywood in recent months. The awards are held at Dolby Theatre in Hollywood for a second consecutive year, here is the full list of winners who won at the 90th Academy Awards. The victory follows similar prizes for Oldman at this year’s Golden Globes and Baftas, and marks a first Academy award in a cinematic career that has spanned more than three decades.