Elizabeth Banks and Jessica Biel have joined the cast of Amazon’s series adaptation of ‘Better Sister’.

Adapted from the novel by Alafair Burke, the series is described as a thriller about “Chloe (Biel), who moves through the world with her handsome lawyer husband Adam and teenage son Ethan by her side while her estranged sister Nicky (Banks) hustles to make ends meet while trying to stay clean. When Adam is brutally murdered, the prime suspect sends shockwaves through the family, laying bare long-buried secrets.”

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The upcoming series is a collaborative effort between Olivia Milch and Regina Corrado, who will be taking on the roles of showrunners and executive producers. The project will also feature the expertise of Banks, who will serve as an executive producer through her production company, Brownstone Productions. In addition to Banks, the series will also be executive produced by Biel and Michelle Purple under their Iron Ocean Films banner.

Craig Gillespie will direct as well as serving as executive producing along with Annie Marter through Fortunate Jack Productions. The series is a co-production between Tomorrow Studios (an ITV Studios partner) and Amazon MGM Studios, with Marty Adelstein, Becky Clements, and Alissa Bachner of Tomorrow Studios executive producing. Burke will consult on the series.