Scarlett Johansson

Self

Aileen Wuornos

Self (archive footage)

Dawn Botkins

Self - Aileen's Childhood Friend

Arlene Pralle

Self

Steve Glazer

Self - Defense Attorney

Tyria Moore

Self - Aileen's Girlfriend

Donna Jay Fulks

Aileen Wuornos (voice)

Eva Braun

Self (archive footage)

Adolf Hitler

Self (archive footage)

Paul Kaup

Narrator

Heinrich Hoffmann

Self - Photographer (archive footage)

Nerin Gun

Self - Biographer (archive footage)

Justin Barrett

Narrator (voice)

Kevin Smith

Acteur

Dave Chappelle

Himself (archival footage)

Ken Tucker

Himself

Tanika Ray

Himself

Chuck Nice

Himself

Dion Graham

Narrator

John Wayne Gacy

Self (archive footage)

Barry Boschelli

Self - Childhood Friend

Ray Cornell

Self - Fellow Inmate

David Cram

Self - Former Gacy Employee

David Hachmeister

Self - Police Investigator

Karen Kuzma

Self - Sister

Terry Sullivan

Self - Gacy Biographer

Helen Morrison

Self - Psychiatrist

Arnold Schwarzenegger

Self

James Caan

Self

Jim Belushi

Self

Ivan Reitman

Self

Jonathan Mostow

Self

George Butler

George Butler

George Clooney

George Clooney

Claire Danes

Self

Kristanna Loken

Self

Penelope Ann Miller

Self

Ronald Shusett

Self

Robin Williams

Self

Stan Winston

Self

Maria Shriver

Self

Jeanine Basinger

Self - Film Historian

Pat Byrne

Self - Sister

Christina Cassini

Self - Daughter

Peter Graves

Self - Host

David Raksin

Self - Composer 'Laura'

Gene Tierney

Self

Richard Widmark

Self - Actor

Oleg Cassini

Self - Former Husband

Richard Kiley

Narrator (voice)

Vincent Price

Self (archive footage)

Victoria Price

Self - Vincent Price's Daughter

Norman Lloyd

Self

Hazel Court

Self

Dennis Hopper

Self

Jane Russell

Self

Roger Corman

Self

Roddy McDowall

Self

Don Morrow

Narrator

Birgitta Wallace

Self