“My sister and I loved each other, despite everything. Can you do the same?”
Ji-tae Yu - Woo-jin Lee

“- Eli Cash: I'm worried about you, Richie.
- Richie Tenenbaum: Why?
- Eli Cash: Well, actually, Margot is, for some reason. But I did find it odd when you said you were in love with her. She's married you know. And she's your sister.
- Richie Tenenbaum: Adopted.”
Owen Wilson - Eli Cash
Luke Wilson - Richie Tenenbaum

“- Streak: You got any naked pictures of your sister?
- Gilbert Noble: Of course not.
- Streak: Wanna buy some?”
Brent Hinkley - Streak
Chris Klein - Gilbert Noble

“- Benny 'Uncle Benny' Chan: I'm sleeping with my wife's two sisters.
- Roger Murtaugh: You lucky sonofabitch.
- Martin Riggs: Good for you, Uncle Benny.
- Benny 'Uncle Benny' Chan: Not so good when my wife finds out.”

Kim Chan - Benny 'Uncle Benny' Chan
Danny Glover - Roger Murtaugh
Mel Gibson - Martin Riggs

“- Cass Lake: You see, I think she's my sister.
- Ryan Harrison: Sister?
- Cass Lake: It's like a brother, only you do each other's hair.”
Melinda McGraw - Cass Lake
Leslie William Nielsen - Ryan Harrison