- Ellery Queen: [to Inspector Queen] Congradulations. You now have two suspects. Now all you need is one murderer.
- Inspector Queen: This is a man-sized job now - for a policeman!
- Ellery Queen: Ah, then you don't need brains.
- Inspector Queen: Aw, go take a bath!
- Ellery Queen: You got something there.
- Josephine Temple: [on phone] Hello.
- Ellery Queen: [in bath] Hello, I was just getting ready to drown myself.
- Josephine Temple: Then I'll hang up so you can get on with it.
- Ellery Queen: On seconf thought, I can't. I'm my father' only son.
- Mellish: Something mysterious is going on here! That man's dead!
- Detective Guffy: Don't jump at conclusions.
- Josephine Temple: [looking at Ellery and his father] A pair of Queens is hard to beat.
- Josephine Temple: [hinting at marriage] Three Queens is better!