13
Source: FilmSchoolRejects
12
Source: FilmSchoolRejects
Screenwriters spend their entire careers crafting the perfect lines for characters to say. So it must make them crazy knowing that some of the greatest moments in cinema came out of pure, spur-of-the-moment actor improvisation. Check out these examples:
Source: Empire Online
Source: Entertainment Weekly
Source: Collider
Source: FilmSchoolRejects