'American Horror Story' season 7 release date, spoilers: Ryan Murphy reveals new details about seventh season

The plot for "American Horror Story" season 7 remains a mystery, but series co-creator Ryan Murphy revealed that two series regulars will return next season.

Speaking in front of the reporters during the Television Critics Association winter press tour, Murphy confirmed that both Sarah Paulson and Evan Peters will join the cast of the seventh installment of FX's critically acclaimed horror anthology series.

Paulson first appeared in the series in 2011's "American Horror Story: Murder House," in which she appeared as the medium named Billie Dean Howard. She also appeared as the lesbian journalist Lana Winters in 2012's "American Horror Story: Asylum," then portray the role of Academy headmistress Cordelia Foxx in 2013's "American Horror Story: Coven," and conjoined twins Bette and Dot Tattler in 2014's "American Horror Story: Freak Show."

In 2015's "American Horror Story: Hotel," Paulson appeared as a heroin junkie, Sally. before portraying the dual role of Audrey Tindall and returned as Lana Winters in 2016's "American Horror Story: Roanoke."

On the other hand, Peters' roles in the series include Tate Langdon in "Murder House," Kit Walker in "Asylum," Kyle Spencer in "Coven," Jimmy Darling in "Freak Show," James Patrick March in "Hotel," as well as Rory Monahan in "Roanoke."

Murphy opted to keep the rest of the casting lineup a secret, but he also confirmed that the next season will portray a "modern-day story."

Meanwhile, FX CEO John Landgraf also revealed in an interview Thursday that they are excited for the new installment of the horror anthology series. "Each new chapter is a cultural event, beloved for every new twist in imagery, style, cast and plot," Landgraf stated in the report from The Hollywood Reporter. "We are thrilled that Ryan Murphy, Brad Falchuk and the entire creative team will continue to deliver the groundbreaking, celebrated American Horror Story for years to come."

The seventh season of "American Horror Story" is expected to premiere sometime in 2017.