The eight-episode sequence from Antonio Campos, who directed the Rebecca Hall-fronted characteristic Christine, and American Crime Story author Maggie Cohn, explores the lifetime of Michael Peterson, performed by Firth, his sprawling North Carolina household and the suspicious dying of his spouse, Kathleen (Collette).
DeWitt will play Candace Zamperini, Kathleen Peterson’s (Collette) sister.
The sequence relies on the docuseries and varied books and studies on the case. Michael Peterson was convicted of murdering Kathleen in 2001, a cost that was diminished to manslaughter in 2017, and Peterson subsequently was launched from jail. He had claimed his spouse died after falling down the steps at their house after consuming alcohol and Valium, however an post-mortem concluded she died from a number of accidents, together with blows to the again of her head with a blunt object.
Jean-Xavier de Lestrade’s docuseries premiered in 2004 and was launched on Netflix as a 13-episode sequence in 2018.
The Staircase is written and govt produced by Campos and Cohn, who additionally function showrunners. The sequence is a co-production between HBO Max and Annapurna TV.
The casting reunites DeWitt and Collette who starred as sisters in Showtime comedy sequence United States Of Tara. DeWitt most lately was seen in Hulu’s Little Fires Everywhere starring alongside Kerry Washington and Reese Witherspoon. On the movie aspect, she most lately starred reverse Johnny Depp in The Professor, and had lead roles in Arizona and Song of Back and Neck. She’s additionally one of many lead voices in AMC’s upcoming hourlong animated drama sequence Pantheon. DeWitt is repped by MGMT Entertainment and ICM Partners.