Carey Mulligan has said the existing format of the Academy Awards is not working, as she questioned how many Oscars voters actually watch the films they are supposed to be judging.
The 34-year-old actress, who was nominated for an Oscar for 2009 drama An Education, suggested the voting system for Hollywood's highest honour may no longer be fit for purpose after female filmmakers were again ignored in the best director category.
Greta Gerwig, who won praise for her adaptation of Little Women, Hustlers director Lorene Scafaria and Lulu Wang, who made The Farewell, were all snubbed when the nominations were announced earlier this month.
The Academy, the body which oversees the Oscars, reportedly has more than 9,000 members who cast their ballots in January, and Mulligan reckons its time the voting system is overhauled.
Speaking at the Sundance Film Festival, she told the PA news agency: "The point I was making earlier is that people simply aren't seeing these films because I think if they did they would be moved to vote for them.
"So the system doesn't work. For a film like Hustlers and a performance like Jennifer Lopez's, (if it) can't get recognised then something's not working.
"So you haven't seen it, you can't have seen it. And you can't see that performance and disregard it, and not think it's worthy of recognition.
"And Greta Gerwig, again producing an incredible film and not getting recognition as a director, there's just something that needs fixing but I'm not the smart person to fix it."
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Mulligan's latest film is the thriller Promising Young Woman, which is written and directed by Emerald Fennell - perhaps best known for acting roles in Call The Midwife and as Camilla Shand in season three of The Crown, and sees Mulligan playing a woman out for revenge against her abuser.
Promising Young Woman is set to be released in April.