“- Evelyn: Hey, take it easy. We're your new best friends.
- Margaret: Heard you did your husband. He probably deserved it.
- Evelyn: Mine did.”

Davenia McFadden - Evelyn
Roma Maffia - Margaret

“She had this room and you knew about it. You knew she was going to kill her husband and you had this Dr. Kammer here all ready for the nut alibi.”

Sam Levene - Police Lt. Abrams

“- Susan: You know what's wrong with you, Mr Grandi? You've being seeing too many gangster movies. Mike may be spoiling some of your fun.
- 'Uncle' Joe Grandi: Mike?
- Susan: My husband, yeah! And if you're trying to scare me into calling him off, let me tell you something Mr. Grandi. I may be scared, but he won't be.”
Janet Leigh - Susan Vargas
Akim Tamiroff - 'Uncle' Joe Grandi

“You can scare a person to death, but if you do it deliberately, that's murder.”
Victor Sen Yung - Jimmy Chan

“I've seen horrors... horrors that you've seen. But you have no right to call me a murderer. You have a right to kill me. You have a right to do that... but you have no right to judge me. It's impossible for words to describe what is necessary to those who do not know what horror means.”
Marlon Brando - Colonel Walter E. Kurtz