Luke Adams

Young Jeff Dahmer / Young Lionel Dahmer

Rusty Sneary

Adult Jeff Dahmer

Lucille Louise

Baby Jeff Dahmer

Bo Svenson

Detective John Amos

Scott Cordes

Lionel Dahmer

Cathy Barnett

Shari Dahmer

Jeannine Hutchings

Catherine Dahmer

Frankie Krainz

Victim No. 1

Kip Niven

Attorney Howard Parker

Granvile O'Neal

Detective

Walter Coppage

Judge

Jeph Scanlon

Mark Stanton

Kaitlyn Williams

Little Girl

Kathleen Warfel

Dr. Price

Erin McGrane

Joyce Dahmer

Rich Ambler