The Nastro d'Argento (Silver Ribbon) is a film award assigned each year, since 1946, by Sindacato Nazionale dei Giornalisti Cinematografici Italiani ("Italian National Syndicate of Film Journalists"), the association of Italian film critics.
[1][2] This is the list of Nastro d'Argento awards for Best Supporting Actor.
Romolo Valli,[3] Leopoldo Trieste[4] and Alessandro Haber[5] are the most awarded actors in this category, with 3 awards each.