The Rocky Horror Picture Show verbatim at each screening. Performance groups became a staple at "Rocky Horror" screenings due in part to the prominent New York City fan cast. The New York City cast was originally run by former schoolteacher and stand-up comic Sal Piro and his friend Dori Hartley. Hartley who portrayed Dr. Frank N. Furter, was one of several performers, including Will Kohler as Brad Majors, Nora Poses as Janet, and Lilias Piro as Magenta in a flexible rotating cast. The performances of the audience was scripted and actively discouraged improvising, being conformist in a similar way to the repressed characters. On Halloween
The Rocky Horror Picture Show in 1976, people attended in costume and talked back to the screen, and by mid-1978, "Rocky Horror" was playing in over 50 locations on Fridays and Saturdays at midnight. Newsletters were published by local performance groups, and fans gathered for "Rocky Horror" conventions. By the end of 1979, there were twice-weekly showings at over 230 theatres. The National Fan Club was established in 1977 and later merged with the International Fan Club. The fan publication "The Transylvanian" printed a number of issues, and a semi-regular poster magazine was published as well as an official magazine. The Los Angeles area performance