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