That's an old favorite of mine too. It had a certain weird atmosphere to it that drew me into it. Good plot, good action, Roy Scheider...what more could a person want?
True: also a laconic laid back performance by the late great Warren Oates.
"You're supposed to be stupid, son: don't abuse the privilege."
"One of the really fun things about this job is reading the complaints of the public."
"If you're walking on eggs, don't hop."
"What do you check yours [sanity] with? A dipstick?"
"Well, get your *BEEP* over here, we just came up with a hot mince pie under each arm."