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 Trilby Glover as Guidance Counselor Asa Germann as Blonde Jogger Dave Theune as Math Teacher Matthew Gilmore as Officer #2 Michael Andrew Baker as Lionel's Lawyer Jesse Bush as Officer #1 Karole Foreman as Dottie Emma Kennedy as Denise Tenz McCall as Young David Dahmer Thomas Crawford as Judge Alex Hyde-White as Doctor