Charlize Theron
Aileen Wuornos
Christina Ricci
Selby Wall
Lee Tergesen
Vincent Corey
Pruitt Taylor Vince
Gene / Stuttering "John"
Marco St. John
Evan / Undercover "John"
Marc Macaulay
Will / Daddy "John"
Scott Wilson
Horton / Last "John"
Kaitlin Riley
Teenage Aileen
Cree Ivey
7-Year-Old Aileen
Magdalena Manville
Bar Lap Girl
T. Robert Pigott
Bartender
Romonda Shaver
Employment Agent
Glenn R. Wilder
Restaurant Manager
Elaine Stebbins
Wife at Accident
Kane Hodder
Undercover Cop
Christian Stokes
Undercover Cop
Jesse Stern
Skate Rink Attendant
Chandra Leigh
Cute Teenage Attendant
Ed Donovan
State Prison Guard (uncredited)