Continuity mistake: When Mary Carson is touching Father Ralph when he is shirtless her hands keep changing position between shots.
Audio problem: When Meggie and Stu see the fire he cries "Oh my God". His mouth, however, is open when he begins to speak, then closes it, and it remains closed throughout the rest of the line.
Factual error: During the huge thunderstorm which causes the fire you can see that it's actually a bright, sunny day with only a mild overcast. Several times you can see the sky in the shots and though sometimes lightning bolts are visible there are only a few light clouds on an otherwise blue sky.
Ralph de Bricassart: Fee, she's your daughter. It's as if you never remember that.
Fiona 'Fee' Cleary: Does any woman? What's a daughter? Just a reminder of the pain... a younger version of oneself... who will do all the same things, cry the same tears. No, Father. I try to forget I have a daughter.
Ralph de Bricassart: What kind of man is this Luke O'Neill, who roams about and doesn't even make a home for Meggie?
Fiona 'Fee' Cleary: The ambitious kind.
Question: Fee tells Mary she has two deceased sons. She tells her this before the deaths of Stuart and Hal. I don't remember any other of the Cleary children dying in the novel, what two sons is she referring to?