When Martin Scorsese and Robert De Niro work together, excellence is guaranteed. What began as a teenage friendship between a couple of passionate New York artists turned into the greatest director-actor duo in the history of cinema, resulting in ten outstanding films over the past five decades. Among their iconic collaborations, 1976's neo-noir thriller Taxi Driver stands atop the list due to its contribution as one of the seminal films in the New Hollywood Movement and its lasting cultural impact throughout the years.