Rosemary was one of Tony's girls that he brought with him to the theatre. She puts on the demonic masks and cuts her face and doing so, whilst watching the film. She starts to feel a pain from were she cut herself and goes to the bathroom were she transforms into a demon. Carmen, her friend goes to look for her but Rosemary slashes her neck and turns her also into a demon. Rosemary has more screen time than any other of the Demoni and she is killed by George at the end of the film.