Rio Grande?
Referee ,perhaps.
You’re right Arena. Back to you…
Referee ,perhaps.
Man in the Middle?
Frayed knot Amac…
Although it is not strictly true nowadays,
The Man in Black?
Not right either, D.
Arena, this is such a broad clue there are quite a few film titles which fit it fairly well including the ones from myself and Devo. I’ll try one more but if that’s wrong I think we may need a clue to narrow it down a bit:
The Whistleblower.
The Judge
YES Amac it’s the Whistleblower.
Over to you , loon 
OK, thanks Arena.
Affirm in stone he’s a free spirit.
Maverick?
Well done Arena 
- I didn’t take you long!
Over to you…
I’d heard about it.
Diehard?
You’ve got it.
Next…
Stash away drug with budding diplomat.
Only the first half of this clue relates to the film’s title…
This film is based on a book from the late 19th century which has sold over 50m copies…