Going well this one!
Hopefully last clue: 2020s film.
She’s in Portland?
Yes Amac. Surprisingly good film. Beautiful scenery, well written and observed (imho!). Over to you.
OK thanks. Next:
The guitar part is taken on by the crazy Kiwi raver.
Bridge over the River Kwai?
Close but not quite right PR. A common mistake…
The bridge on the river kwai
Glad to see you’re still (occasionally?) checking this thread Dex! A bit harsh on PR but it’s over to you :-D.
Harsh indeed. Anyway…
Psychiatrist on the French arrest.
Jungle Book? Or should I say The Jungle Book?
Correct. All yours Amac.
PR - VAR are telling me the ball was just over the line for your last answer so I’ll hand over to you again… 
Thanks Amac - very generous. 1966 all over again:-).
Next: Low flying aircraft stop roundabout 20 or 30.
This should be fairly simple. Not really a convoluted clue!
One of the cast had to be replaced when he was found to have a brain tumour and it was the film debut for an actress. A film from this century.
Signs?
You’ve got it Amac. Well done.
Can you explain the clue PR? I got it from your additional clue.
Next to follow.
Next:
Leave, crossing in a flash.
Put a comma between words eg…low flying aircraft, stop, 20, 30 etc are all road signs.