Name the film from the line and a bit of a clue

[OrlandoWoolf]

"Sir, you've got to let go of him, sir"

Helicopter flying overhead. What's just happened?

That's not a knife, this is a knife (too obvious)

We're going in, we're going in full throttle

Blazing Saddles Doctor Two?

pinkelephant has it! Simply the funniest film ever made. Well, other than Shaun of the Dead.

How about "Fuck you Hans Brix!"