Why do actors improvise in film? What makes for good improv? Let's look at different improvised scenes and see how films utilize improvisation to provide laughs, tears, or realism. Movies (in order of appearance): The Silence of the Lambs (1991) Die Hard (1988) The 40 Year-Old Virgin (2005) The Dark Knight (2008) Dumb and Dumber (1994) Midnight Cowboy (1969) Taxi Driver (1976) Pixels (2015) This is 40 (2012) This is Spinal Tap (1984) Mean Streets (1973) The Godfather (1972) Citizen Kane (1941) Good Will Hunting (1997) The Birdcage (1996)