The American Horror Story alum is set to portray cult leader Gwen Shamblin, who died in a plane crash last year.
The Way Down will be executive produced by Paulson and Michelle Dean (The Act), who is also set as the showrunner.
According to Deadline, Emmy winner Sarah Paulson has officially signed on for the leading role in HBO Max’s upcoming TV adaptation of The Way Down: God, Greed, and the Cult of Gwen Shamblin, based on the recently released docuseries.
Gwen Shamblin was best known for creating the Weigh Down Workshop, a Christian-based diet program.