- Professor Plum: [discussing his inventions] Actually, it's a lousy floor wax - but a terrific poison!
- Colonel Mustard: [about his African safari] As far as we could tell... the elephant somehow managed to get his paws on the gun... there was a struggle...
- Mrs. Peacock: [cutting him off] I suppose you were next in line?
- Colonel Mustard: I don't follow you.
- Mrs. Peacock: The family money!
- Colonel Mustard: [trying to be nonchalant] Well, yes, of course.
- Miss Melba Peach: But curare is better. Like my daddy used to say, give me a good neuro-muscular poison any day!
- Mrs. White: [under her breath] SCUM!
- Madame Rose: [chastising] Mrs. White!
- Mrs. White: You don't know them like I do. I know all their little secrets.
- Madame Rose: Oooohhh!
- Miss Scarlet: [it is thundering and lightening outside] Like the monsoons of Sumatra!
- Colonel Mustard: Remember that summer in Sumatra?
- Miss Scarlet: I was never in Sumatra!
- [holds him at gunpoint]