Michael Keaton and Christopher Lloyd were excellent. But Peter Boyle steals the show as “Jack McDermott. Christ fixation. Megalomania.”

BILLY
Hey, Doc, isn’t it true that if even one of those tiles were to come loose, millions and millions of gallons of water would come pouring down on us and squash us like tiny little bugs? Is that a leak up there? You see those tiles? They’re leaking water right there!

DR. WEITZMAN
Bill. Cut it out. Oh, my God!

JACK
I will hold back the waters.

DR. WEITZMAN
Thanks, Jack.

.

BILLY
Dr. Verboven can be such a perfectionist.

JACK
Yeah, but that’s what makes him such a great diagnostician.

HENRY (DR. VERBOVEN)
Vital signs are good. Zip code checks out.

.

JACK
Let me hold the gun.

HENRY
No.

JACK
I let you sit in the front seat.

(HENRY HANDS GUN TO JACK)

PSYCHIATRIST
Jack, Jesus Christ would never point a gun at another human being.

JACK
Stay out of my psychosis and get your ass in that van.

and finally (even though there’s a lot more understated gold)

JACK
I drove the moneylenders from the temple. I can handle a ten-spot.

🙏