Summary
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Jessica Biel and Elizabeth Banks lead the Prime Video thriller The Better Sister.
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The series features Corey Stoll, Maxwell Acee Donovan, and a strong supporting cast.
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The story follows a murder mystery intertwined with family secrets and past betrayals.
The Better Sister, a Prime Video limited series, explores the aftermath of a shocking murder that unravels long-buried family secrets. Adapted from Alafair Burke’s novel, the thriller stars Jessica Biel and Elizabeth Banks as estranged sisters forced back into each other’s lives. The suspenseful story is driven by a powerful ensemble cast, each with a key role in the unfolding mystery.
Who Are the Lead Actors in The Better Sister?
Jessica Biel plays Chloe, a high-profile media executive who is thrust into emotional and legal chaos after the murder of her husband, Adam. Known for her sharp performance in The Sinner and Candy, Biel returns to the thriller genre in a complex role. Chloe’s past is complicated by her strained relationship with her sister and her unresolved trauma.
Elizabeth Banks stars as Nicky, Chloe’s sister and the biological mother of Ethan. A recovering addict with a turbulent past, Nicky is drawn back into the family’s orbit following Adam’s death. Banks, acclaimed for roles in The Hunger Games, Pitch Perfect, and her work behind the camera on Cocaine Bear, brings emotional depth and tension to the role.
Corey Stoll portrays Adam, the murdered husband whose past marriages to both sisters fuel the drama. Known for his roles in House of Cards, The Strain, and Ant-Man, Stoll adds gravitas to the role of the charismatic yet secretive lawyer.
Maxwell Acee Donovan plays Ethan, the teenage son caught between two mothers. Raised by Chloe but biologically Nicky’s, Ethan becomes entangled in the investigation following his father’s death. Donovan is best known for That ’90s Show and Gabby Duran & The Unsittables.
Here is a complete cast list :
| Actor | Character | Description |
|---|---|---|
| Jessica Biel | Chloe Taylor | A high-profile media executive living a picturesque life with husband Adam and stepson Ethan, until Adam’s murder forces her to confront family secrets. |
| Elizabeth Banks | Nicky Macintosh | Chloe’s estranged sister, struggling with addiction and financial hardship, reenters Chloe’s life after Adam’s murder, complicating family dynamics. |
| Corey Stoll | Adam Macintosh | Chloe’s lawyer husband and Nicky’s ex, murdered in a central plot event, explored through flashbacks to establish his relationships with Chloe and Ethan. |
| Maxwell Acee Donovan | Ethan Macintosh | Adam and Nicky’s teenage son, raised by Chloe, becomes a prime suspect in his father’s murder, navigating emotional turmoil and family secrets. |
| Kim Dickens | Detective Nancy Guidry | A determined, complex detective investigating Adam’s murder, described as a “firecracker” who loves the hunt for justice. |
| Bobby Naderi | Detective Matt Bowen | Nancy’s investigative partner, a foil who brings balance and occasionally acts on instinct, contributing to the murder investigation. |
| Gabriel Sloyer | Jake Rodriguez | Chloe’s lover, involved in an affair that adds tension to the family drama and murder mystery. |
| Gloria Reuben | Michelle Sanders | A supporting character, likely tied to the sisters’ social or professional circles, with details limited in available sources. |
| Matthew Modine | Bill Braddock | A character in Chloe and Nicky’s orbit, possibly a legal or family figure, with specifics undisclosed in promotional material. |
| Lorraine Toussaint | Catherine Lancaster | Chloe’s elegant yet calculating boss and mentor at the magazine, described as maternal, vindictive, and complex, shaping Chloe’s professional life. |
| Michael Harney | Doorman Arty | A doorman, likely providing key observations or minor support in the unfolding mystery, seen in promotional images with Chloe and Nicky. |
READ MORE: The Better Sister Parental Guide: What Parents Should Know
Which Supporting Characters Elevate The Better Sister’s Story?
Gabriel Sloyer as Jake Rodriguez – Jake is a friend and colleague of Adam. His character adds complexity to the investigation and personal history surrounding Adam’s life. Sloyer has previously appeared in Inventing Anna, Narcos, and Griselda.
Kim Dickens as Detective Nancy Guidry – A lead investigator in Adam’s murder case, Nancy is assertive and insightful, quickly picking up on the family’s internal fractures. Dickens is known for her roles in Gone Girl, Fear the Walking Dead, and House of Cards.
Bobby Naderi as Detective Matt Bowen – Matt serves as Nancy’s investigative partner. While more reserved, his presence balances Nancy’s direct approach. Together, they unravel the secrets buried in the family’s past. Naderi’s performance supports the series’ investigative backbone.
Matthew Modine as Bill Braddock – A key figure with ties to Adam and the family’s history, Bill adds another layer of suspense. Modine is recognized for roles in Stranger Things, Full Metal Jacket, and The Dark Knight Rises.
Lorraine Toussaint as Catherine Lancaster – Catherine’s connection to the family brings emotional resonance. A veteran actress, Toussaint is known for Orange Is the New Black, The Glorias, and The Equalizer.
Michael Harney as Arty – A character tied to Nicky’s recovery and past life, Arty brings perspective to the themes of redemption and addiction. Harney is notable for Orange Is the New Black and Deadwood.
READ MORE: And Just Like That Season 3 Full Cast and Characters
Where and When Can You Watch The Better Sister?
The Better Sister premiered on May 29, 2025, exclusively on Amazon Prime Video. All eight episodes of the limited series were released simultaneously, allowing for a full-season binge. A subscription is required to access the series, available at $14.99/month or $139/year in the U.S.
Source: Radio Times
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