I'll Be Gone in the Dark

Amy Ryan

Michelle McNamara's Words (voice)

Michelle McNamara

Self (archive footage)

Paul Haynes

Self - Michelle's Researcher, Citizen Detective

Larry Crompton

Self - Ret. Detective, Contra Costa County

Melanie Barbeau

Self - Citizen Detective

Paul Holes

Self - Ret. Chief of Forensics, Contra Costa County

Karen Kilgariff

Self - Host, My Favorite Murder Podcast

Billy Jensen

Self - Crime Writer, Citizen Detective

Daniel Greenberg

Self - Michelle's Literary Agent

Kathleen Conroy

Self - Michelle's Sister

Mary Rita Skrine

Self - Michelle's Sister

Maureen Stratton

Self - Michelle's Sister

Bob McNamara

Self - Michelle's Brother

Kera Bolonik

Self - Michelle's Friend, Writer

Bonnie Colwell

Self - Joseph DeAngelo's Ex-Fiancée

Adam Drucker

Self - Michelle's Friend

Jennifer Barth

Self - Executive Editor, HarperCollins

Barbara Rae-Venter

Self - Investigative Genetic Genealogist

Gillian Flynn

Self - Author, Gone Girl

Wes Ryland

Self - Joseph DeAngelo's Nephew

Lisa Ortiz

Self - Joseph DeAngelo's Cousin

Gay Hardwick

Self - East Area Rapist Survivor

Bob Hardwick

Self - East Area Rapist Survivor

Anne Marie Schubert

Self - Sacramento District Attorney

Michael G. Bowman

Self

Thien Ho

Self - Sacramento Deputy District Attorney

Chris Lombardo

Kathleen Lombardo's Brother

Tom Olis

Kathleen Lombardo's Neighbor

Kim Knebel

Kathleen Lombardo's Neighbor

Grace Puccetti

Self - Oak Park Attack Survivor

Kris Pedretti

Self - East Area Rapist Survivor

Linda O'Dell

Self - East Area Rapist Survivor

Jane Carson-Sandler

Self - East Area Rapist Survivor

Jennifer Carole

Self - Daughter of Murder Victim Lyman Smith

Debbi Domingo

Self - Daughter of Murder Victim Cheri Domingo

George Seibel

Self - Former Homicide Detective, Chicago Police Dept.