She also appeared in TV productions, such as the miniseries Nicotera, Without a Trace with Rossano Brazzi (1972), Portrait of a Veiled Woman with Nino Castelnuovo (1975), the drama Saturnino Farandola with Mariano Rigillo (1978), and Rosaura at 10 (1981).

Nicolodi starred in five films directed by Dario Argento between 1975 and 1987: Deep Red (1975), Inferno (1980), Tenebrae (1982), Phenomena (1985) and Opera (1987).

She later stressed that the screenplays for Argento's Suspiria and Inferno owed many ideas to her authorship, but received writing credit only for the former.

[6] Nicolodi had a professional and private relationship with director Dario Argento; they met in 1974 during casting for the film Deep Red, and their daughter Asia was born in 1975.

It highlighted Nicolodi's contribution to Dario Argento's films as well as that of his father (Salvatore), brother (Claudio) and daughter (Asia).