1. Leonardo DiCaprio, Jennifer Lawrence, Meryl Streep, Jonah Hill, and Rob Morgan spent two days improvising the first Oval Office scene. The first cut was a whopping 16 minutes long but was, of course, shortened. Some gems like this still made the cut, though:

2. In fact, Meryl improvised a different phone call in that scene for every single take. Here's a behind-the-scenes look at 10 of them:
Meryl Streep improvised a different presidential phone call for ✨ every single take ✨ of the Oval Office scene in DON'T LOOK UP. Here are 10 of them. https://t.co/inTvpVpBcJ
3. Jason Orlean's fist bump and comment to Kate in the Oval Office was all Jonah:

4. In fact, a lot of Jason's insults in the movie were improvised by Jonah, according to Jennifer Lawrence:

5. Leo also improvised the part where Randall started screaming at the camera on a children's TV show:

6. Tyler Perry and Cate Blanchett improvised quite a bit in their talk show scenes, including lines like this:

7. This peculiar line Yule's friend asked Kate was also totally unscripted:

8. This line about potatoes was alllll Timothée Chalamet:

9. Ariana Grande improvised some lines from her song "Just Look Up," like these:

10. The entirety of Jason Orlean's "prayer to stuff" was improvised by Jonah:

11. Leo came up with Randall's very last, heart-wrenching line before the comet hits Earth:

12. Meryl improvised the line about how President Orlean would die, which became the inspiration for the mid-credit scene:

13. And finally, Jonah improvised part of this post-credits scene too:
