Octavia Spencer as Poppy Parnell an investigative reporter behind a hit true-crime podcast
Lizzy Caplan as Josie and Lanie Buhrman a pair of twin sisters whose father was allegedly murdered by Warren Cave
Aaron Paul as Warren Cave a convicted murderer and subject of Poppy's podcasts
Elizabeth Perkins as Melanie Cave Warren's mother
Michael Beach as Ingram Rhoades Poppy's husband
Mekhi Phifer as Markus Killebrew a former detective and long time friend of Poppy
Tracie Thoms as Desiree Scoville Poppy's younger sister
Haneefah Wood as Cydie Scoville Poppy's youngest sister
Ron Cephas Jones as Leander "Shreve" Scoville Poppy's father
Hunter Doohan as Teenage Warren
Rico E. Anderson as Herbie manages the biker bar, 'The Knock'
Tami Roman as Lillian Scoville Poppy's stepmother
Nic Bishop as Chuck Buhrman Josie and Lanie's father
Annabella Sciorra as Erin Buhrman Josie and Lanie's mother
Molly Hagan as Susan Carver Josie and Lanie's aunt
Billy Miller as Alex Dunn Lanie's husband
Brett Cullen as Owen Cave Warren's father
Everleigh McDonell as Ella Dunn Lanie's daughter
Katherine LaNasa as Noa Havilland the producer of Poppy's podcast
Lyndon Smith as Chandra Willets
Michael Franklin as Young Leander "Shreve" Scoville
Caroline Huey as Teenage Lanie
Rebecca Huey as Teenage Josie
Stella Weinstein as Young Lanie
Mayson Weinstein as Young Josie
Alona Tal as Ivy
Julie Craig as Shae
Laura Allen as Alana Cave
Tim DeZarn as Kuvney
Cranston Johnson as Moss Scoville
Brett Lapeyrouse as Drew Turney
Anthony Lee Medina as Ramon
Michael Muhney as Martin Haywood
Colby French as Detective Hunter
Brooklynn MacKinzie as Young Poppy
Frankie J. Allison as C.O. Hill
Barry Livingston as Harris McQuaid
Travis Johns as Turner
Jackson Hurst as Caleb Lythe
Graham Shiels as Armand Korpa
Andy Mackenzie as Rodgers
Indira G. Wilson as Shirley Maxwell
Makeba Pace as Mayor Gloria Lemmons
Christopher Showerman as C.O. Walters
Kate Connor as A.D.A. Norah Bowdoin
Makenzie Lee-Foster as Young Donni
Desiree Hall as Rosemary
Chase Brosamle as Henry Cave
Joss Glennie-Smith as Dyson
Jance Enslin as Grandson
Clayton Hoff as McClintock
Janora McDuffie as Processing Clerk Harris
Chris Wolfe as Male Newscaster
Heather Grace Hancock as Julia
Javier Calderon as Officer George Rivera
Kate Hudson
Kaipo Schwab as Greg Kim
Phuong Kubacki as Jill
Al Rodrigo
Ray Stoney as C.O. Tuttle
Arianna Ortiz as Detective Theresa Ribero
Jeff Kober
Abby Brammell
Diana Romero as Joanna
Kristen Marie Kelly as Kristen
Stephanie Maura Sanchez as Nina Cedillo
Jon Sklaroff as Rick Busby
Jamison Yang as Kevin Fung
James Hornbeck
Lisa Linke as Rebecca Vonner
Cheryl White as Mrs. Isaacs
Shannon Wilcox
Noel Arthur
Mark Elias as Tim D'Amico
Hugo Medina
Samantha Sloyan as Sharon Dostikas
Brett Brock as Corrigan
Brad Schmidt as Dru
Robert Arce as Chris Harkin
Jan Jeffcoat as News Anchor
Dan Martin
Andrew Brian Carter as Rafe Polin
Joy Brunson as Elinor
Kate Enggren as Nurse Marybeth
Anne Beyer as Winnifred Kaplan
Brooke Thomas as Female Newscaster
Jennifer Say Gan as Nurse Beverly
Ciera Hart as Trini
Andy Hoff as A.D.A. Gary Lawrence
Tony Wilde as Dave
Scott Subiono as Detective Clark Stitt
Patrick Quinlan as Cleaner
Tatum Shank as Curtis Mayes
Bruce Katzman as Dr. Ian Poole
Keith Barber as Prison Chaplain
Terrah Bennett Smith as Valerie
Ursula Burton as Professor Simmons
Katherine Kamhi as Darla
Al Pugliese as Harlan Walsh
Karl Risinger as Visitation Room C.O.
Toby Wilson as Tank
Ari Frenkel as Michael
E.J. Callahan as Nurse Tony
Abdul Salaam El Razzac as Elderly Inmate
Windy Marshall as Shelby Wagner
Brice Williams as Tim Dostikas
Neil Arnote as Officer
John Eddins as Graves
Katie Kerr as Maria Isaacs
Kelly Chavers as Laura
Tacey Adams as Elderly Woman's Sister
Jernard Burks as Tupelo
Adam Dunnells as Stocky White Inmate
Eddie Diaz as Detective Ramos
Tom Sean Foley as Elderly Woman's Son
Charles Janasz as Minister
Dusty Sorg as Skinhead
Joe Alvarez as C.O. Clarke
Doris L. Guerrero as Kara Rios
Toby Nichols as Young Man
Wayne Bastrup as Dead-Eyed Clerk
Cecile Cubilo as Sgt. Neva Cedros
Steven Hack as Mark Graham
Anthony Cooper as Rutherford
Kelli Kirkland as Rhoda Elwood
Brett Baker as Uptight Commissioner
Mark Engelhardt as C.O. Mattick
Lyn Alicia Henderson as Catholic Priest
Anastasia Barnes as Female Deputy
Kenny Barr as Officer Jenkins
Alisha Soper as Nurse
Starr Gilliard as Sister Claire
Holger Moncada Jr. as Officer Perez
Bill Lee Brown as Waiter
Adalgiza Chermont as Nurse Kimberly
Alycia Cooper as Processing Officer
Jeff Elam as Prison Director Scott
Bob Rumnock as Minister
Mollie Zorrilla as Processing Officer #2
Luke Judy as Young Warren
Kate Butler as Judge Helen Watts
Amrapali Ambegaokar as Julia Frank
Jamal Antar as Son of Ivar
Hale Appleman as Lachlan
Brad Ashten as Mystery Man
Christopher Backus as Holt Rollins
Krizia Bajos as Woman
Rob Brownstein as Arthur Turney
Layla Crawford as Drea Spivey
Keli Daniels as Ruthie Pupkin
Donald Dash as Aubrey Siddons
Travis DesLaurier as Bartender
Tisha French as Patricia
Maurice Hall as Simon
Frankie Dale Vernail Jacobs as Self - AA member
Harvey L. Jordan as Pedestrian
Brian Kamei as Guard
Allison McAtee as Taffy Carr
Tessa Munro as Leana Parker
Jason O'Mara as Joshua Keith
Stephaun Pender as Husband
Donna Pescow as Esta Turney
Kobe Reverditto as Officer Daniels
Chala Savino as Waitress
Grace Shen as Jane
Devin Sidell as Pam
Alan Wells as Banker
Andrรฉa Zamora as Nurse