Complex sentence: Nicolodi therefore only agreed to a cameo in "Tenebrae"--the role of the woman on the beach in Neal's flashback, though she originally asked for the small role of Jane McKerrow (which went to Veronica Lario).
Split into simpler sentences: Nicolodi therefore only agreed to a cameo in "Tenebrae". According to Nicolodi, she originally asked for the small role of Jane McKerrow (which eventually went to Veronica Lario).