Answer: Costume jewelry salesman, dancer, composer, sculptress
Jeff becomes so familiar with his neighbors that he considers them acquaintances, and sympathizes with all of their ups and downs in life. Jeff finds out from his friend, Tom, the detective, that Thorwald's profession is a costume jewelry salesman. Miss Torso is a dancer because Jeff and the audience can see her practicing with partners and a teacher instructs one day at her apartment. The composer sits at his piano and walks around the room, then goes over to the piano, plays a few keys, and makes notes. The woman who is a sculptress may be retired and doing it as a hobby.