“All science trembles at the searing logic of your fiery intellect.”
Richard Jordan - Brig. Gen. Lewis A. Armistead

“- Dr. Cardigan: What a wonderful contribution to science your brain would make, Mr. Chan!
- Charlie Chan: Thank you so much, but for present would prefer to keep same for own use.”
George Zucco - Dr. Cardigan
Sidney Toler - Charlie Chan

“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