Mackenzie Rio Davis is a Canadian actress, producer, and model making her acting debut in Smashed (2012). She appeared in Breathe In (2013), The F Word (2013), receiving a Canadian Screen Award nomination, That Awkward Moment (2014), The Martian (2015), Blade Runner 2049 (2017), and Happiest Season (2020). From 2014 to 2017, Davis starred as computer programmer Cameron Howe in the television series Halt and Catch Fire. She also co-starred in the "San Junipero" episode of the television series Black Mirror. In 2019, she starred as the augmented super-soldier Grace in Terminator: Dark Fate opposite Arnold Schwarzenegger and Linda Hamilton. In 2021, she had a lead role in the miniseries Station Eleven.
Davis was born in Vancouver, British Columbia, Canada, and attended McGill University in Montreal, Quebec, where she pursued English literature and women's studies. Then she studied acting at the Neighborhood Playhouse in New York City.
