On February 15, 1992 in Milwaukee, Wisconsin, Jeffrey Dahmer, one of the world's most infamous serial killers, was convicted of 15 counts of murder and sentenced to 937 years in federal prison. This movie is based on events from his life.

Jeremy Renner
as Jeffrey Dahmer

Bruce Davison
as Lionel Dahmer

Artel Great
as Rodney

Matt Newton
as Lance Bell

Dionysio Basco
as Khamtay

Kate Williamson
as Grandma

Lily Knight
as Mrs. Dahmer

Christina Payano
as Letitia

Tom'ya Bowden
as Shawna

Sean Blakemore
as Corliss