“- Detective Sapir: So nobody took the mummy.
- Night Watchman: I would've heard them.
- Detective Sapir: 'Course he would've. What a stupid question. Did you take him?
- Night Watchman: No sir!
- Detective Sapir: Just a shot.”

Stan Shaw - Detective Sapir
Ernie Brown - Night Watchman

“You could be dead... right now. But then there would be too many bloody questions.”
Danny Midwinter - Constable Withers

“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