“- Bessie: I wish we could get along.
- Lee: We do get along.
- Bessie: No I know, but I mean really get along and be polite with one another.
- Lee: We're sisters.”
Diane Keaton - Bessie
Meryl Streep - Lee

“My sister, who swiped every guy I ever had my eye on, has now swiped the last guy in the whole freaked out world!”
Kelli Maroney - Samantha Belmont

“- Granny: Your only sister, all alone in the wood, and nobody there to save her. Poor little lamb.
- Rosaleen: Why couldn't she save herself?
- Granny: You don't know anything, you're only a child.”
Dame Angela Lansbury - Granny
Sarah Patterson - Rosaleen

“- 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