From witty comebacks to iconic catchphrases, some of cinema's most memorable lines were born in the moment. Join us as we celebrate the actors who brought their A-game to improvisation, creating unforgettable quotes that have stood the test of time. These silver screen legends prove that sometimes, the best scripts are unwritten.

A great story is important! Welcome to WatchMojo, and today we’re counting down our picks for horror films that told the most haunting, memorable stories. Consider this your spoiler alert!

Sure, we love a good explosion as much as the next person, but what is a movie without a good script? For this list, we’re looking at movie dialogue that brilliantly developed character, advanced the plot, gave light to theme, or did all three at the same time, with a style or flare that had us hooked. From modern masterpieces like "Pulp Fiction", "The Social Network", and "There Will Be Blood" to revered classics like "The Godfather", "Glengarry Glen Ross" and "The Big Lebowski", these movies proved that sometimes a few good words is all you need to hook audiences in.