“- Mandy Slade: I just don't think I have what you're looking for.
- Arthur Stuart: I think you do, actually.
- Mandy Slade: What makes you think so?
- Arthur Stuart: That smile for one thing.”
Toni Collette - Mandy Slade
Christian Bale - Arthur Stuart

“I wish I was to blame for every laugh line on your face. I do, Joy, because it just - it burns me to think that someone else made you smile. You were pretty then, and you're pretty now. You always will be to me; you should know that! It's forever, Joy.”

Brian Wimmer - Willie Husband

“- Bill Baker: Do these guys ever smile?
- Jack O'Callahan: They're Russians. They get shot if they smile.”
Jack O'Callahan - Bill Baker

“Quit grinning like an idiot. Indians ain’t supposed to smile like that. Get stoic.”
Adam Beach - Victor Joseph

“- John W. Martin: Hey, Frank... you keep cleaning those teeth, the Germans are going to see you from a mile away.
- Frank J. Perconte: That's right Pee Wee, you keep laughin'!”
Dexter Fletcher - John W. Martin
James Madio - Frank J. Perconte