“- Harry: I was just telling these guys about that accident last night. Find out who that guy was?
- Dan Gillis: Not a thing. No ID. No license plates. No nothing.
- Ernie: Dan, old buddy, with that fancy salary the city of Potters Bluff pays you, and the amount of money the state spends getting you educated, you ought to be able to find some clues.”
Robert Englund - Harry
James Farentino - Sheriff Dan Gillis
Bill Quinn - Ernie

“- Judge John Channing: Are you trying to tell me that while every policeman in the state was looking for you, you were serving dinner to the district attorney, his wife and our governor? How is that possible?
- Nick Gardenia: Well... you have to prepare everything in advance.”
Harold Gould - Judge John Channing
Chevy Chase - Nicholas Gardenia

“Detective without curiosity is like glass eye at keyhole - no good.”
Sidney Toler - Charlie Chan

“- 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