Actor Lizzy Caplan is set to star alongside Octavia Spencer in upcoming Apple series "Are You Sleeping?".
The series, created by Nichelle Tramble Spellman, is based on the novel of the same name by Kathleen Barber, reported Variety.
It explores people's obsession with true-crime stories and the recent boom in podcasts dedicated to probing unsolved and disputed cases.
Spencer was previously announced as playing the series lead. Apple has ordered a 10-episode first season.
Caplan will play twin sisters Josie and Lanie, whose lives have taken very different paths. Her last series regular role was in the Showtime drama "Master's of Sex".