After three decades of acting and three nominations, Smith finally won for his portrayal of Richard Williams, the father of tennis superstars Venus and Serena.
Nominated for helming The Power of the Dog, Campion joins Chloé Zhao and Kathryn Bigelow as the only women to win in the category. She had previously been nominated for The Piano.
The actor took home the trophy for best supporting actor, winning for his performance as a fisherman named Frank Rossi. Marlee Matlin, the first Deaf person to win an Oscar, plays his wife.
Wegner would be the first woman to win the Academy Award for cinematography. She says a highlight of the project was filming the lead actor as he improvised a key emotional moment in the story.