托尼·杰

Tony Jay

饰：Narrator

Harold Schechter

Harold Schechter

饰：Himself, Author "Depraved"

Thomas Cronin

Thomas Cronin

饰：Himself, Criminal Profiler

Marian Caporusso

Marian Caporusso

饰：Herself, Programs Section Chief, Illinois State Police Forensic

Ed Bertagnoli

Ed Bertagnoli

饰：Chicago Police Officer

Cary Callison

Cary Callison

饰：Chicago Detective

Willy Laszlo

Willy Laszlo

饰：H.H. Holmes

Rachelle Villarreal

Rachelle Villarreal

饰：Alice Pitezel

Audrey Welling

Audrey Welling

饰：Castle Victim

Beka

Beka

饰：Carrie Pitezel

Tom Ciappa

Tom Ciappa

Sarah Mills

Sarah Mills

H.H. Holmes

H.H. Holmes

饰：Himself (archive footage)

托尼·杰

Tony Jay

饰：自己