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Updated 1 year ago,March 26, 2024
Making a movie is a collaborative process.
The actors sometimes write some scenes themselves, especially when given free rein by their directors.
In certain cases, the actors improvise lines or moments that eclipse the whole movie.

Tom Holland and Robert Downey Jr. in ‘Avengers: Infinity War’ | BestScenes/YouTube
Here are some of the best examples.
I dont want to go.
like, Mr. Stark, its one of the franchises saddest moments.

Except it almost didnt happen.
Holland added the extra lines on a whim.
Everything from her hesitant entrance to her wacky Im ready to partyyyyy dance is completely improvised.
Even her argument with the flight attendantStoveSteve (Mitch Silpa) is made up, as Silpa later attested.
Basically, the movies director Paul Feig just let Wiig go to town.
Saltburn
There are several intensely disconcerting scenes inSaltburn; thats kind of its thing.
Youve probably heard about the bathtub scene (even if you never watched the movie).
Well, one of the movies non-bodily fluid-related scenes and there are few is completely improvised.
Were talking about the one where Oliver Quick (Barry Keoghan) strips down and humps Jacob Elordis grave.
(His character has a name but do you honestly remember it?)
Yes, its true.
Keoghan had no script in that scene; he just read the signs of his body, like Shakira.
She immediately launches into a list of all the reasons why she shouldnt.
But in the original script, Laurie is meant to deliver the speech uninterrupted.
Then he leaves to be frozen in carbonite.
Its a perfect distillation of his debonair, rakish charm.
Its also completely improvised.
Nowadays, its one of the movies most quoted lines.
The ironic part is that he did it to himself.
The iconic phrase wasnt part of the original shooting script for 1993s teen comedyDazed and Confused.
McConaughey in a star-making moment came up with it himself.
Williams story and Damons uncontrolled laughter were created on the spot.
Well, sort of.
The moment, which made audiences swoon for Roberts infectious smile, is iconic.
It has also been parodied numerous times, perhaps most hilariously onArrested Development.
But Gere actually closed the box as a joke because he was feeling bored on set that day.
It was never even part of the script.
Jack Nicholson made up this one on set, too.
The man isnt a legend for nothing.
In an unscripted moment, James Caans Sonny Corleone deployed the phrase while describing how to shoot a man.
The phrase is now nearly inseparable from popular imagery of mobsters.
Thats how De Niros oft-parodied, frequently quoted You talkin to me came to be.