Sophie Turner (Sansa) said in an interview filming that shot where her and Shae were lookin out at Littlefinger's boat...

Its not really the fact she is a porn actress that is the problem, she just sucks.

Here is a list of some porn actresses that are better actresses than she is (and possibly better than most of the got cast):

try going to Turkey

It's just integrals of functions?
What about it?

...

UP AND AT THEM

...

Wasn't there another pasta, with Davos' fingers and he couldn't understand that they'd CG his fingers later or something?

That doesn't work in this context, though. Liam nailed the scene.

Maybe the scene where he's stranded near the Blackwater Bay?

Okay, maybe.

Still needs someone he's working with complaining bout his terrible performance.