“Whoever they are, they're as smart as God and a lot less nice.”

Angela Bassett - Dr. Kaela Evers

“- Uncle Martin: Martians use 100% of their brain while humans only use 10%.
- Tim O'Hara: No, we're smarter than that.
- Uncle Martin: Your astronauts pee in their spacesuits. Case closed.”
Chris Lloyd - Uncle Martin
Jeff Daniels - Tim O'Hara

“I picked you for the job, not because I think you're so darn smart, but because I thought you were a shade less dumb than the rest of the outfit. Guess I was wrong. You're not smarter, Walter... you're just a little taller.”

Edward G. Robinson - Barton Keyes

“The job I'm talking about takes brains and integrity. It takes more guts than there is in 50 salesmen. It's the hardest job in the business.”

Edward G. Robinson - Barton Keyes

“What are you sayin, Pop? That because I'm a greasy immigrant, all I can do is clean fish? That ain't enough! I got a right to find work that uses my brain!”

Christian Slater - Charlie 'Lucky' Luciano