At the Beverly Club, LAPD detectives Quincy Burrell and Jessie Peterson question Nathan about his connection to Chloe and Matt Nathan claims he vaguely remembers Chloe, while admitting that Matt is his friend. In the present, Nathan offers Matt the opportunity to join his podcast in exchange for his silence, but Matt scoffs at Nathan's accusation. Despite initially declining, Nathan confronts Matt on a secluded beach and accuses him of being the Westside Ripper, while Ava watches them from afar.Ī flashback reveals that Matt killed Chloe after following her for some time. Instead of contacting the police, Ava proposes to Nathan that they start their own podcast so they can interview Matt. She also noticed scratches on Matt's arms, and connects him to the unsolved murder of a young woman in his apartment building in Pomona two years earlier. When the police finds the same shoe covers as Matt's at the crime scene, Ava, an avid true-crime follower, deduces that Matt is the Westside Ripper. The media reports Chloe as the latest victim of the ' Westside Ripper', a local serial killer targeting young women. While at a bar with Matt one night, Nathan shares a flirty interaction with a bartender, Chloe Lake, who is later brutally murdered in her apartment. They hire a charming plumber, Matt Pierce, to install their new toilet, and Nathan quickly befriends him.

George Sear as Jacob, Tory's Bumble dateĪva and Nathan Bartlett are a Los Angeles couple expecting their first child in the midst of financial struggles and a failing marriage.

Ever Carradine as Melissa Lake, Chloe's mother.

Yvonne Senat Jones as Detective Jessie Peterson.

Timm Sharp as Richard, Carolyn's husband.

Sebastian Quinn as Carlos, Ruby's paramour.

Miles Mussenden as Detective Quincy Burrell.

Brandon Keener as Paul, Serena's husband.

June Diane Raphael as Lipinski sister #1.

Alex Alomar Akpobome as Ryan, a client of Ava's who is looking to buy a mansion.

Aisha Alfa as Carolyn, another of Ava's best friends.

Annabelle Dexter-Jones as Serena, one of Ava's best friends.

Li Jun Li as Michelle, Nathan's colleague at the country club.

Natalia Dyer as Chloe Lake, a bartender who catches the eye of Matt and Nathan at a bar one night.

Liana Liberato as Tory Thompson, Ava's younger sister who lives with her and Nathan.

Priscilla Quintana as Ruby Gale, Ava's affluent friend.

Tom Bateman as Matt Pierce, a plumber who befriends Nathan.

Chris Messina as Nathan Bartlett, Ava's husband and a tennis coach at the Beverly Club who used to be a famous tennis player before a career-ending knee injury.

Kaley Cuoco as Ava Bartlett, a pregnant real estate agent who is passionate about true crime.

The series premiered on Peacock on June 8, 2023. Based on a True Story is an American comedy thriller television series created by Craig Rosenberg, and stars Kaley Cuoco and Chris Messina.

Act of valor based on a true story