Top 10 Sci-Fi Movie Babes

4. Everyone in "Serenity"

Joss Whedon, the man who gave us Sarah Michelle Gellar and Eliza Dushku, knocked it out of the park with "Firefly"/"Serenity" cast. And the best part is, they're all different types. Fancy a no-nonsense, take-charge leader? Look no further than tough-as-nails Zoe (Gina Torres). How about a doe-eyed killing machine? That would be future Terminator Summer Glau. Then there's "girl next door" mechanic Kaylee (Jewel Staite) and space hooker Inara (Morenna Baccarin). How this didn't become a long-running franchise is one of the universe's great mysteries.