The Mariner / Ulysses
Played by: Kevin Costner
- Apparently Human Merfolk: The "individual with special perk" kind. Though it was due to a mutation.
- Jerk with a Heart of Gold: By the end of the movie.
- The Stateless: Has no nationality since his former nation was drowned by the waters.
Played by: Jeanne Tripplehorn
- Love Interest: To the Mariner.
- Suddenly Shouting: When she's hungry, or to put in her words, when she wants some FOOD!
Played by: Tina Majorino
- Morality Pet: She became one to The Mariner.
- Orphan's Plot Trinket: Her tattoo on her back. Which ended up to be crucial to find dry land.
- Sdrawkcab Name: Enola spelled backwards is "alone" and given that she was orphaned, it was rather fitting. It's also a lampshade how coordinates on her tatoo work.
Played by: Gerrard Murphy
Played by: Dennis Hopper
- Dark Messiah: He seems to be this in regards to the Smokers.
Played by: Michael Jeter
- Chekhov's Gunman: He shows up to rescue the Mariner and Helen after the Smokers destroy the trimaran.
- Deus Exit Machina: His hot air balloon flew up too early and he was absent for most of the movie.