查理兹·塞隆
Charlize Theron
饰：丽比 Libby Day
尼古拉斯·霍尔特
Nicholas Hoult
饰：莱尔 Lyle
科洛·格蕾斯·莫瑞兹
Chloë Grace Moretz
饰：Young Diondra
克里斯蒂娜·亨德里克斯
Christina Hendricks
饰：佩蒂 Patty Day
泰伊·谢里丹
Tye Sheridan
饰：少年班恩 Young Ben Day
寇瑞·斯托尔
Corey Stoll
饰：成年班恩 Old Ben Day
Denise Williamson
Denise Williamson
饰：Crystal
Jennifer Pierce
Jennifer Pierce
饰：Diane
Madison McGuire
Madison McGuire
饰：Debby Day
艾珠·帕森斯
Azure Parsons
饰：(uncredited)
詹姆斯·马丁·凯利
James Martin Kelly
泰勒·福瑞斯特
Tyler Forrest
饰：Warehouse Guitarist
John F. Daniel
饰：Bob Berdella
Michael P Gardner
饰：Andrei Chikatilo (uncredited)
Barry Hanley
饰：Prison Guard (uncredited)
肖恩·布里吉格斯
Sean Bridgers
饰：Runner Day
Dan Owens
饰：Robert (as Dan Owens)
瓦内萨·阿玛雅
Vanessa Amaya
饰：Manson Girl (uncredited)
Shannon Kook-Chun
饰：Young Trey Trepan
斯特林·杰里斯
Sterling Jerins
饰：Young Libby
安德里亚·罗斯
Andrea Roth
饰：Diondra
詹姆斯·摩西·布莱克
Smith Black
饰：Kill Club Solver
谢里·戴维斯
Sheri Davis
饰：Bar Patron (uncredited)
Natalie Precht
Natalie Precht
饰：Michelle Day
Brianna Beasley
Brianna Beasley
饰：Brunette Girl (uncredited)
Roni Hummel
Roni Hummel
饰：Academics (uncredited)
Bruce Elliott
Bruce Elliott
饰：Homeless Cook (uncredited)
Kelly D. Mills
Kelly D. Mills
饰：Kill Club Questioner (uncredited)
Caleb O'Neal
Caleb O'Neal
饰：Prison Visitor (uncredited)
Heather Rene Hutson
Heather Rene Hutson
饰：Party patron (uncredited)
Michelle Harvey
Michelle Harvey
饰：The Black Dahlia (uncredited)
Tavaris James Durell
Tavaris James Durell
饰：Night Club Patron (uncredited)
Terrie Cooklin
Terrie Cooklin
饰：Academic Investigator (uncredited)
Johnny Young
Johnny Young
饰：Kill Club Goer (uncredited)
Marie Gabrielle
Marie Gabrielle
饰：Manson Girl
Annaclaire McFarland
Annaclaire McFarland
饰：Partygoer
Vicki Delagarza
Vicki Delagarza
饰：Homeless Woman
Mary Kim Sipes
Mary Kim Sipes
饰：Kill Club Solver
Russell Hightower
Russell Hightower
饰：Student (uncredited)
Michael C Hollandsworth
Michael C Hollandsworth
饰：Policeman (uncredited)
Samantha Howes
Samantha Howes
饰：Kill Club Member (uncredited)
Alice Searcy
Alice Searcy
饰：Bar Patron (uncredited)
Arthur Simone
饰：Frederick Baker Look-Alike
埃里克·凯利·麦克法兰
Eric Kelly McFarland
饰：Partygoer (uncredited)
Clay Dove
饰：Prisoner (uncredited)
Kerrigan Hightower
Kerrigan Hightower
饰：Party Goer,Student (uncredited)
Delmaine Samuel
Delmaine Samuel
饰：Prison Inmate (uncredited)
James Paul
James Paul
饰：Attorney (uncredited)
Eric Zettina
饰：Kill Club Goer (uncredited)
Gary Hardt
饰：Dr. Brooner (uncredited)
Carl Palmer
Carl Palmer
饰：Detective
西奥尼·马兰噶
Sione Ma'umalanga
饰：Officer (uncredited)
Cody Pottkotter
饰：Ian Brady (uncredited)
Cody Daniel
饰：Mike Allen (uncredited)
Steve Jimenez
饰：Charles Manson Look-a-Like (uncredited)
Ricky French
饰：Homeless Man (uncredited)
Nathan Tremaine
饰：Alexander Pichushkin (uncredited)
John C. Coffman
饰：Steakhouse Patron (uncredited)
Michael McCormick
饰：Kill Club Punk Goth (uncredited)
Anna Medley
饰：Kill Club Goer (uncredited)
Lawrence P. Beron
Lawrence P. Beron
饰：Mr. Gruber (uncredited)
Lori Z. Cordova
Lori Z. Cordova
饰：Magda
杰夫·蔡斯
Jeff Chase
饰：Calvin Diehl
杰森·道格拉斯
Jason Douglas
饰：Marine (uncredited)
艾迪·米勒
Addy Miller
饰：Young Krissi Cates (as Adrian 'Addy' Miller)
Madison Burge
饰：Warehouse Girl (as Dora Madison Burge)
劳拉·凯洛蒂
Laura Cayouette
饰：Krissi Cates' Mother
J·拉罗斯
J. LaRose
饰：Trey Teepano
格伦·莫肖尔
Glenn Morshower
饰：Jim Jeffreys
德瑞·德·玛泰
Drea de Matteo
饰：Krissi Cates
理查德·古恩
Richard Gunn
饰：Lou Cates
贾斯汀·勒布伦
Justin Lebrun
饰：Ted Bundy
帕特里克·卡恩斯
Patrick Kearns
饰：Homeless Man (uncredited)
Sarah Eilts
Sarah Eilts
饰：Manson Girl (uncredited)
Tim Childress
Tim Childress
饰：Birthday Party Parent (uncredited)
P.J. Marshall
P.J. Marshall
饰：Child Psychiatrist
Anne Speed
Anne Speed
饰：Book Club Member (uncredited)
Steve Shearer
饰：Bert Nolan
Michael Crabtree
Michael Crabtree
饰：Joseph
珍妮弗·皮尔斯·马尔萨斯
Jennifer Pierce Mathus
饰：Diane
多拉·马迪森·布鲁格
Dora Madison Burge
饰：Warehouse Girl,(as Dora Madison Burge)
泰勒·福雷斯特
Tyler Forrest
饰：Warehouse Guitarist
山农·库克
Shannon Kook
饰：Young Trey Teepano