The year is 1988. Abby and Gretchen have been best friends since fourth grade. After an evening of skinny-dipping goes disastrously wrong, Gretchen begins to act…different, which leads Abby to suspect her best friend may be possessed by a demon. With help from some unlikely allies, Abby embarks on a quest to save Gretchen. But is their friendship powerful enough to beat the devil?
Elsie Fisher
as Abby Rivers
Amiah Miller
as Gretchen Lang
Rachel Ogechi Kanu
as Margaret Chisolm
Cathy Ang
as Glee Tanaka
Clayton Royal Johnson
as Wallace Stoney
Christopher Lowell
as Christian Lemon
Nathan Anderson
as Pony Lang
Cynthia Evans
as Grace Lang
Rachel Leah Cohen
as Mrs. Rivers
John Stoneburner
as Mr. Rivers
Cameron Bass
as Brother Morgan
Ashley LeConte Campbell
as Sister Kathleen
