David Proval is an American actor and former boxer, known for his roles as Tony DeVienazo in the Martin Scorsese film Mean Streets (1973), Snooze in The Shawshank Redemption (1994), Siegfried in Four Rooms (1995) and as Richie Aprile on the HBO television series The Sopranos (1999–2007).

Mean Streets is a 1973 American crime drama film directed by Martin Scorsese, co-written by Scorsese and Mardik Martin, and starring Robert De Niro and Harvey Keitel. It was produced by Warner Bros. The film premiered at the New York Film Festival on October 2, 1973, and was released on October 14. De Niro won the National Society of Film Critics and the New York Film Critics Circle award for Best Supporting Actor for his role as "Johnny Boy" Civello.