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

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