- Anna Foster: I want to swim naked in the Danube!
- Ben Calder: Actually, it's the Vltava.
- Anna Foster: Who wants to swim naked in the Vltava? Nobody says that.
- Ben Calder: Because in English, Vltava means “unhealthy bacteria level”.

Mandy Moore - Anna Foster
Matthew Goode - Ben Calder

“What a delicious day it is. Just perfect for a morning swim. Won't you come with me? Zed says the jungle is just full of danger, and I'd feel a whole lot safer with a big, strong android like you along to protect me.”
Cindy Beal - Tisa

“- Tival: Apes are afraid of water. They can't swim.
- Ari: We drown!
- Daena: That is why every day we pray for rain.”
Erick Avari - Tival
Helena Bonham Carter - Ari
Estella Warren - Daena

“This river can kill you in a thousand ways.”
Jon Voight - Paul Serone

“- Howard T. Duck: Philsy, help! Philsy, help me!
- Phil Blumburtt: Never heard of a duck that couldn't swim.
- Howard T. Duck: Shut up and save me!”

Chip Zien - Howard T. Duck
Tim Robbins - Phil Blumburtt