Kerri Rawson

Self - Daughter of Dennis Rader, the BTK Killer

Dennis Rader

Self - Serial Killer (archive footage)

Andrea Rogers

Self - Kerri's Childhood Friend

Rita Sheffield

Self - Kerri's Childhood Friend

Richard LaMunyon

Self - Former Chief of Police, Wichita

James Reed

Self - Osage County Sheriff's Office

Ray Lundin

Self - Former Agent, Kansas Bureau of Investigation

Larry Hatteberg

Self - Former Journalist, KAKE TV Wichita

Bill Hirschman

Self - Former Journalist, The Wichita Eagle

Susan Peters

Self - Former Anchor, KAKE TV Wichita

Paula Dietz

Self - Dennis Rader's Ex-Wife (archive footage)

Kathryn Bright

Self - Murder Victim (archive footage)

Kevin Bright

Self - Survivor and Brother of Kathryn Bright (archive footage)

Vicki Wegerle

Self - Murder Victim (archive footage)

Stephanie Clyne

Self - Daughter of Vicki Wegerle (archive footage)

Dolores E. Davis

Self - Murder Victim (archive footage)

Jeff Davis

Self - Son of Dolores Davis (archive footage) (as Jeffery Davis)

Nola Foulston

Self - Former Sedgwick County DA (archive footage)

Nancy Fox

Self - Murder Victim (archive footage)

Dale Fox

Self - Father of Nancy Fox (archive footage)

Beverly Plapp

Self - Sister of Nancy Fox (archive footage)

Marine Hedge

Self - Murder Victim (archive footage)

Rodney Hook

Self - Son-in-Law of Marine Hedge (archive footage)

Glen Horn

Self - Former KAKE News Director (archive footage)

Ken Landwehr

Self - Former Homicide Detective, Wichita PD (archive footage)

Julie Otero

Self - Murder Victim (archive footage)

Joseph Otero Jr.

Self - Murder Victim (archive footage)

Josephine Otero

Self - Murder Victim (archive footage)

Charlie Otero

Self - Son and Brother of the Oteros (archive footage)

Carmen Otero Montoya

Self - Daughter and Sister of the Oteros (archive footage)

Shirley Vian

Self - Murder Victim (archive footage)

Steve Relford

Self - Son of Shirley Vian (archive footage)

J. Jesse Harley

Young Dennis Rader (uncredited)

Charlie Rose

Self - Host, CBS This Morning (archive footage)

Stephen King

Self - Author, 'The Good Marriage' / Guest, CBS This Morning (archive footage)

Erin Moriarty

Self - Correspondent (voice) (archive footage)