You can't write this stuff! Join http://www.WatchMojo.com as we count down our picks for the top 20 improvised movie moments. For this list, we've chosen movie scenes or lines that were ad-libbed or otherwise changed by an actor in the heat of the moment.
Watch the video at http://www.WatchMojo.com read more...
Watch the video at http://www.WatchMojo.com read more...
