Nicolodi starred in some films directed by Dario Argento between 1975 and 1987: "Deep Red" (1975), "Inferno" (1980), "Tenebrae" (1982), "Phenomena" (1985), and "Opera" (1987). She planned to act in "Suspiria" (1977) which she co-wrote with Argento, but could not due to an injury, and she was replaced at the last minute by Stefania Casini. Nicolodi starred in "Shock" (1977), the final film of Italian horror auteur Mario Bava. After her relationship with Argento ended in 1985, Nicolodi participated in such films as"Paganini Horror", "The Picture of Joy", "Macaroni", "The End Is Known", "Notes of Love" and in films directed by her daughter Asia Argento. In 2007, Nicolodi made a comeback to the cinema, working with her daughter Asia in Dario Argento's "Mother of Tears", the sequel to "Suspiria" and "Inferno".