- Charlie Chan: [about Davidson] Chinese chimpanzee not interfere with monkey business of big baboon. Not yet.
- Armstrong: I hope you're successful solving this case.
- Charlie Chan: Well, thank you so much, Mr. Armstrong. Well, you know, sometimes think successful detective one upon whom luck shines smiling coutenance.
- Police Sgt. Bill Davidson: Listen, Peggy, you holdin' out on me? You know something I don't know?
- Peggy Cartwright: That wouldn't take much brains
- [last lines]
- Charlie Chan: Man who ride on merry-go-round all the time sooner or later catch brass ring.