Sci-fi is a genre that tends to mostly focus on story and technical aspects.

Particularly inWar for the Planet of the Apes, the conclusive chapter, Serkis' work is jaw-dropping.

Nevertheless,Clockwork Orangeis undeniably science fiction, and its clever uses of it are perfect.

Best-Sci-Fi-Movie-Performances-Ranked

Custom Image by Nimesh Perera

It’s a modern spin on theFrankensteinformula that works like a charm mainly because Stone is just that good.

Weaver was nominated for an Oscar for this performance, and it’s easy to see why.

InAlien, Ripley stepping into the role of the heroic final girl was a true twist.

Ke Huy Quan as Waymond Wang mid-fight in an office building in Everything Everywhere All at Once

Image via A24

KEEP READING:The Best Performances of the Last 5 Years, Ranked

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Closeup of Obi-Wan Kenobi (Sir Alec Guinness) with his lightsaber in Star Wars IV: A New Hope.

Image via 20th Century Pictures

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Rutger Hauer with a bird on his arm in Blade Runner

Image via Warner Bros. Pictures

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Justine looking at her hands as white energy comes from the tips of her fingers in the film Melancholia.

Image via Nordisk Film

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Joel and Clementine in bed together in Eternal Sunshine of the Spotless Mind

Image via Focus Features

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Caesar under the snow looking angry in War for the Planet Of The Apes.

Image via 20th Century Studios

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Jim Carrey as Truman standing in front of a drawn mirror and smiling in ‘The Truman Show’.

Image via Paramount Pictures

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Alex (Malcolm McDowell) screams while his eyes are forced open with two devices in ‘A Clockwork Orange’

Image via Warner Bros. Pictures

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Duncan hugging an annoyed Bella in Poor Things

Image via Searchlight Pictures

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Sigourney Weaver as Ellen Ripley holds Carrie Henn as Newt in one arm and a gun in the other

Image via 20th Century Studios

Aliens Movie Poster

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