Biography
Chelah Horsdal is part of the cast of Stargate SG-1, Atlantis.
Photo and biographical details provided by TMDb.
Filmography
A selection of the most notable projects, via TMDb.
Acting · 28
Off Campus
2026 · Carrie Wells
Adolescence Explosive
2020 · Denise
Noelle
2019 · Shelley Sussman
The Good Doctor
2017 · Tessa
Star Trek : Discovery
2017 · UFP President Laira Rillak
The Man in the High Castle
2015 · Helen Smith
The 100
2014 · Simone Lightbourne
If I Stay
2014 · Liddy
The Cabin in the Woods
2012 · Demo Girl
Arrow
2012 · Kate Spencer
Rise of the Planet of the Apes
2011 · Irena - Charles' Nurse
Passengers
2008 · Janice