Overcome with emotion, he said: “If you, like a guy like Charlie I play in this movie, struggle with obesity ... I want you to know that if you too have the strength to get to your feet and go to the light, good things will happen.”
His impassioned acceptance speech was met with a standing ovation at the Fairmont Century Plaza Hotel in Los Angeles.
The actor won the award for his performance as Charlie in The Whale.
Click here to sign up for our newsletters.