The anecdote about the most important line in the film is also really funny in that the line seems so deep and philosophical, but it came about almost entirely through improvisation at the last minute.
The whole thing is one of those rare cases where I consider the original story by Ted Chiang, the script by Eric Heisserer, and the film by Denis Villeneuve to all be complimentary.
There's a really good interview of the changes he made, how the script came to be, and how he got Villenueve on board: https://www.youtube.com/watch?v=WDXlaa9JpuI
The anecdote about the most important line in the film is also really funny in that the line seems so deep and philosophical, but it came about almost entirely through improvisation at the last minute.
The whole thing is one of those rare cases where I consider the original story by Ted Chiang, the script by Eric Heisserer, and the film by Denis Villeneuve to all be complimentary.