Isabel Deroy-Olson is a Canadian actress. She is best known for playing Kara Two-Rivers in the mystery series Three Pines and Billie Tsosie in the thriller series Dark Winds.
Early life Deroy-Olson is from Vancouver, Canada. She is ethnically part of the Trʼondëk Hwëchʼin First Nation. Growing up she was a member of a dance studio.
Career One of her first big roles came playing Kara Two-Rivers in the mystery series Three Pines. She portrayed Roki, one of the two lead characters in the drama film Fancy Dance alongside Lily Gladstone. Gladstone was so impressed that she recommended Olson played her younger self in the drama miniseres Under the Bridge. Her biggest role so far has been playing Billie Tsosie in season 4 of the thriller series Dark Winds.
In 2026 she was announced as starring in a drama film called Tombs alongside other indigenous actors such as Amber Midthunder and Cara Jade Myers for director Marie Clements; the film is slated to premiere at the 2026 Toronto International Film Festival under the release title How We Stand."Films from Ron Murphy, Marie Clements programmed at TIFF". Lethbridge Herald, August 4, 2026.
Filmography
Film YearTitleRoleNotes2023Fancy DanceRoki2023Hairy BeastMariaShort2026How We Stand
Television YearTitleRoleNotes2022Shadow of the RougarouYoung sakowew4 episodes202216 HudsonGirl2 episodes2022Three PinesKara Two-Rivers6 episodes2024Under the BridgeYoung CamEpisode: "In Water They Sink as the Same"2025It: Welcome to DerryKinoEpisode: "The Great Swirling Apparatus of Our Planet's Function"2026MarshalsHayley Charlo2 episodes2026Dark WindsBillie Tsosie8 episodes
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