Guest Stars Penelope Ann Miller as Joyce Dahmer Cameron Cowperthwaite as Steven Hicks Josh Braaten as Young Lionel Dahmer Savannah Brown as Young Joyce Dahmer Co Starring Peter MacKenzie as Mr. Bertoglio Colin Ford as Chazz Asa Germann as Blonde Jogger Trilby Glover as Guidance Counselor Karole Foreman as Dottie Matthew Gilmore as Officer #2 Tenz McCall as Young David Dahmer Dave Theune as Math Teacher Emma Kennedy as Denise Michael Andrew Baker as Lionel's Lawyer Jesse Bush as Officer #1 Thomas Crawford as Judge Alex Hyde-White as Doctor