Were your favorite movie lines improvised? Check out these 10 famous improvised movie lines to see if any of your favorites made the list.

Some lines aren't in the script. Actor's have to improvise.
Some lines aren’t in the script. Actor’s have to improvise. Image by LEEROY Agency from Pixabay

Actors improvised the most famous lines of all time

In today’s movie industry, improvising has become a common theme. Actors will throw out lines that feel right. Luckily, they have become some of the most famous lines in movie history.


1. “I’m the king of the world.” – Titanic (1997)

Leonardo DiCaprio shouted out this famous line on the boat before filming. It was eventually added to the movie during the famous scene with Kate Winslet.

I hear this famous improvised movie line on the front of many boats.
Fans still love to lean over the bow and shout this famous improvised line. Image by Wendy Pitts Reeves from Pixabay

2. “I am Iron Man.” – Iron Man (2008)

Robert Downey Jr. is the perfect person to play Iron Man. It’s no surprise he could embody the character well enough to improvise this famous line.

Perfect movie casting leads to famous improvised lines.
Perfect movie casting leads to famous improvised lines. Image by Fathromi Ramdlon from Pixabay

3. “You’re going to need a bigger boat.” – Jaws (1975)

This famous line was a jab at the small, on-set boat. They improvised it to make the cameraman laugh. Today, it’s one of the most famous lines from the movie.

Many famous improvised movie lines have behind-the-scene stories.
Many famous improvised lines have behind-the-scene stories. Image by Elias Sch. from Pixabay

4. “He’s a friend from work.” – Thor: Ragnarok (2017)

Chris Hemsworth admits a child visiting set from the Make-A-Wish foundation improvised this famous movie line. It quickly became one of the most memorable lines in the movie.

The best improvisers are kids. Especially the one that made this famous movie line.
The best improvisers are kids, especially the one that made this famous line. Image by Daniel Kirsch from Pixabay

5. “Are you talking to me?” -Taxi Driver (1976)

Robert DeNiro’s famous line was all his own. The director told him to talk to himself. The talented actor took it from there.

It takes talented actors to improvise famous movie lines.
It takes talented actors to improvise famous movie lines. Photo by Peter Kasprzyk on Unsplash

6. “Here’s looking at you, kid.” – Casablanca (1942)

Casablanca has many improvised lines, but Humphrey Bogart’s famous line will always stick with us. Decades past the movie’s release, people still recite the line in everyday conversation.

Famous movies with famous improvised lines. Casablanca fits the bill.
Famous movies with famous improvised lines, Casablanca fits the bill. Image by gagnonm1993 from Pixabay

7. “All right, all right, all right.” – Dazed and Confused (1993)

Matthew McConaughey’s famous line has become a self mantra for the actor. It’s what he calls his ‘money line.’ It skyrocketed his career.

Sometimes, famous improvised movie lines are just everyday sayings.
Sometimes, famous improvised lines are just everyday sayings. Image by Free-Photos from Pixabay

8. “I don’t want to go.” – Avengers: Infinity War (2018)

With Tom Holland’s reputation for spoilers, he didn’t get much of the script. He came up with this famous line when he was told to improvise. This heart-shattering moment was the perfect way to end the movie.

Tom Holland's famous improvised movie line left fans in tears.
Tom Holland’s famous improvised line left fans in tears. Image by Gaby OBS from Pixabay

9. “Here’s Johnny!” – The Shining (1980)

Jack Nicholson improvised the one-and-only line after a few takes of the shot. It was a nod to The Johnny Carson Show but has now grown into its own fame.

Nicholson improvised this famous movie line while filming.
Nicholson improvised this famous movie line while filming. Photo by Frank Eiffert on Unsplash

10. “I’m walking here!” – Midnight Cowboy (1969)

While filming, a cab driver almost ran over actor Dustin Hoffman. He stayed true to his character, shouting out the now-famous movie line.

Stay in character. Improvise. Make your movie lines famous.
Stay in character. Improvise. Photo by Joseph Cooper on Unsplash

For more famous improvised lines visit BestLife’s List of 50 Famous Movie Lines that were Ad-Libbed.