Zingaretti graduated from the National Academy of Dramatic Art Silvio D' Amico in 1984 and began his acting career in the theatre, often working with director Luca Ronconi, appearing in such diverse plays as Chekhov's Three Sisters, Shakespeare's Titus Andronicus, and Martin Sherman's Bent.

He first gained critical attention with his role as the ferocious "Ottorino" in Marco Risi's 1994 film Il branco ("The Wolf Pack").

In 2009 he continued to appear in the theatre and also worked on the film We Believed, directed by Mario Martone, and set during the reunification of Italy in which he played Francesco Crispi.

He also appeared in the film Il figlio più piccolo ("The Younger Son"), directed by Pupi Avati and co-starring Christian De Sica.

Laurent Tirard in which he played a Roman general, and participated in a minor role in Romanzo di una strage – (Piazza Fontana: The Italian Conspiracy), dir.

Edoardo De Angelis, together with Marco D'Amore; moreover the same year he returned to TV with the mini-series Il giudice meschino – (The Indolent Judge), dir.