Billie Lourd plays Montana Duke
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American Horror Story 1984: Who is in the AHS 1984 cast?
3. Billie Lourd plays Montana Duke
Billie Lourd, who is returning after appearing in Cult and Apocalypse, will be playing Montana, a friend of Brooke and Xavier's who arrives at Camp Redwood for the summer. (Jean Baptiste Lacroix/Getty Images)