| A | B |
| "Their luggage might just be bricks wrapped up in newspaper and where would we be then?" | Giles Ralston |
| "Oh my pie!" | Mollie Ralston |
| "In a murder case, everyone is under suspicion" | Sergeant Trotter |
| "One tries to do a public duty and all one gets is abuse" | Mrs. Boyle |
| "At the time Mrs. Boyle was killed I'd gone down to the cellar" | Major Metcalf |
| "The last little mouse in the trap" | Sergeant Trotter |
| "A murder? Oh, I like murder!" | Christopher Wren |
| "Oh, it's haunted me ever since... If only I hadn't been ill- if only I'd known... Oh, it's a monstrous that such things should happen" | Mollie Ralston |
| "This is a serious matter. Somebody has removed my only chance of communication with the outside world. I want everybody here- at once" | Sergent Trotter |
| "Would you mind not being quite so loud!" | Mrs. Boyle |
| "Perhaps you can't trust anybody- perhaps everyone is a stranger" | Mollie Ralston |
| "But, my dear Inspector, I know nothing of these local affairs of bygone years" | Mr. Paravicini |
| "I knew he wasn't a policeman. You see, Mrs. Ralston, I'm a policeman" | Major Metcalf |
| "Nothing from the past is going to affect me- except in the way I want it to" | Miss Casewell |
| "Ice on a bedroom jug, chiblains, raw and bleeding- one thin ragged blanket- a child shivering with cold and fear" | Miss Casewell |