“- Mortimer Brewster: How can I believe you? There are twelve men down in the cellar and you admit you poisoned them.
- Abby Brewster: Yes, I did. But you don't think I'd stoop to telling a fib.”
Cary Grant - Mortimer Brewster
Josephine Hull - Abby Brewster

“- Julian Marty: I'll give you 10,000 dollars.
- Private Detective Loren Visser: Now I... do a murder. Two murders. Trust you not to go simple on me and do something stupid. I mean, really stupid. Now, why should I trust you?
- Julian Marty: For the money.”
M. Emmet Walsh - Private Detective Loren Visser
Dan Hedaya - Julian Marty

“- Tim Cornell: You never trusted me before. You have to trust me now.
- Michael Bosworth: I blow her head off, Timmy.”
Philip Anthony Hopkins - Tim Cornell
Mickey Rourke - Michael Bosworth

“Lorraine, you have been in Mr. Smith's arms. Nothing like that must ever happen again, it embarrasses me. You're my wife, and he's a murderer.”
Peter Lorre - Stephen Danel

“I knew if he left I'd never see him again, so I seized the revolver and fired. I heard a cry. He staggered toward the veranda and I ran after him and fired and fired and fired. There's no excuse for me. I don't deserve to live.”

Bette Davis - Leslie Crosbie