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 Horror: From Concept to Cult", designer Sue Blane discusses the "Rocky Horror" costumes' influence on punk music style, opining "[It was a] big part of the build-up [to punk]." She states that ripped fishnet stockings, glitter, and coloured hair were directly attributable to "Rocky Horror". Some of the costumes from the film had been originally used in the stage production. Props and set pieces were reused from old Hammer Horror productions and others. The tank and dummy used for Rocky's birth originally appeared in "The Revenge of Frankenstein" (1958). These references to earlier productions, in addition to cutting costs, enhanced