Is my script too short?

[Madbandit]

Originally Posted by Super Existence

I've written a horror film which is clocking in at 80 pages.

The first third of the film is where most of the dialogue is, after that it goes pretty quiet and is mainly action, kind of like 'The Descent'.

I know action can take longer than dialogue in terms of page count versus minutes on screen. But I'm still not sure if it would come in at an 80 minute film or not.

That's not bad for a horror spec really. Horror films, unless you want to have a three-dimensional arc and characters, are around 80-90 minutes.