“I've been studying psychopathic criminology and I have a theory. Perhaps this was the work of a sadist or a paranoiac. If I saw it I might be able to tell.”

William Henry - Gilbert Wynant

“I mean, if they admitted that they rape and murder for pleasure, it would destroy them. There's a tension. They need to be seen to have power over someone, and yet circumstance demands that they erase the only witness, which means they have to do the whole thing over again. It must be Hell.”
Anna Torv - Dr. Wendy Carr

“We're trying to save women from getting pulled into vans and cut to pieces, not crucify some schoolmarm who hasn't done anything.”
Holt McCallany - Bill Tench

“- Rick Leland: You never have any clothes on.
- Alberta Marlow: If anyone heard you complaining about it, they would put you in a psychopathic ward.”
Humphrey Bogart - Rick Leland
Mary Astor - Alberta Marlow

- Mrs. Henry Vale: The very word "psychiatry", doesn't it fill you with shame, my daughter, a member of our family?
- Dr. Jaquith: There's nothing shameful or frightening about it. It's simple, what I do. People come to a fork in the road. They don't know which way to go. I put up a signpost: "Not that way. This way".

Gladys Cooper - Mrs. Henry Vale
Claude Rains - Dr. Jaquith