“- Winslow: The Greeks and Romans believed that certain herbs had medicinal and mystical powers. If I'm right, this plant is supposed to be an aphrodesiac.
- D.A.: How strong is it?
- Winslow: I've heard that it makes spanish fly look like sea salt.”
Corky Pigeon - Winslow
Billy Jayne - D.A.

“We've just discovered the most wonderful, the most marvelous poisinous gas. It will kill everybody.”
Billy Gilbert - Herring

“Poison is a woman's weapon.”
Steven Geray - Dr. Retling

“- 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

“- Abby Brewster: The gentleman died because he drank some wine with poison in it.
- Mortimer Brewster: How did the poison get in the wine?
- Martha Brewster: We put in wine because it's less noticeable. When it's in tea it has a distinct odor.”
Josephine Hull - Abby Brewster
Cary Grant - Mortimer Brewster
Jean Adair - Martha Brewster