At times screenwriters take months, or even years torturing over the perfect line. A number of times, actors just make them up on the spot.
The most iconic lines are usually the product of the actor’s creative side and ad-libbing.

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If you want to know which of your favorite actors are splendid improvisers, we’he got you covered: we’he created a list of 20 iconic lines that are so good that you won’t believe they weren’t scripted. Well, read on but bear in mind: Spoilers ahead.