“- Walter Neff: What do the police figure?
- Barton Keyes: That he got tangled up in his crutches and fell off the train. They're satisfied. It's not their dough.”

Fred MacMurray - Walter Neff
Edward G. Robinson - Barton Keyes

“- Helen Grayle: I hadn't supposed there were enough murders these days to make detecting very attractive to a young man.
- Philip Marlowe: I stir up trouble on the side.”
Claire Trevor - Helen Grayle
Dick Powell - Philip Marlowe

“- Lynn Bracken: He takes a cut of our earnings and invests it for us. He doesn't let us use narcotics and he doesn't abuse us. Can your policeman's mentality grasp those contradictions?
- Bud White: He had you cut to look like Veronica Lake.
- Lynn Bracken: No. I'm really a brunette, but the rest is me.”

Kim Basinger - Lynn Bracken
Russell Crowe - Bud White

“- John Book: The man who was killed tonight was a policeman, and it's my job to find out what happened. I want you to tell me everything you saw when you went into the bathroom.
- Samuel: There were two.
- John Book: There were two men?
- Samuel: I only saw one.”
Harrison Ford - John Book
Lukas Haas - Samuel

“A great detective relies on perception, intelligence, and imagination.”

Nicholas Rowe - Sherlock Holmes