Sydney Cole Alexander is an American actress. She is best known for her role as Natalie Kalen in the Apple TV+ series Severance.
Early life and education Alexander lived in both Chicago and New York City as a child. She has heterochromia iridium. She attended Purchase College where she earned a BFA in acting.
Career Alexander worked as a SoulCycle instructor. She landed her breakthrough role as Natalie Kalen in Severance following a four-month audition process. She has said her performance is influenced by her own experiences at corporate jobs where "everyone was smiling and friendly" but there was "viciousness under the surface".
Selected filmography
Film YearTitleRole2024Psycho TherapyZoe2025Mission: Impossible – The Final ReckoningLt. Cmdr. Bennet2026One Night OnlySophie
Television YearShowRoleNotes2016LimitlessReceptionistEpisode: “Stop Me Before I Hug Again”2017She’s Gotta Have ItSydneyEpisode: "#HowToMakeLoveToANegroWithoutGettingTired"2022–25SeveranceNatalie Kalen7 episodes2026Not Suitable for WorkNaya WashingtonRecurring Guest, Season 1, Episodes 1&9
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