Because you like Catherine Banning in The Thomas Crown Affair
Give in to the dark side with vampire Lestat; it's more fun. See them in Interview with the Vampire: The Vampire Chronicles.
Jessica Rabbit isn't bad. She's just drawn that way. See them in Who Framed Roger Rabbit.
The black sheep of his family, Rhett Butler grew up to have charm and to see things as they are. He just doesn't give a damn anymore. See them in Gone with the Wind.
A librarian and aspiring Egyptologist, Evie O'Connell would rather have her own adventures than just read about them. See them in The Mummy.
Leslie Burke is bold, courageous, and imaginative enough to create a world from scratch. See them in Bridge to Terabithia.
Stuck in space, Ryan Stone will either make it back to Earth and have one hell of a story to tell. Or she will burn into the ether. See them in Gravity.
Margaery Tyrell is one of the most adept and charming liars there is. See them in Game of Thrones.
Clarice Starling is patiently working with one serial killer to stop another. See them in The Silence of the Lambs.
Lying is the most fun a girl like Alice can have without taking her clothes off. See them in Closer.
His name is Inigo Montoya and whoever killed his father should be prepared to die. See them in The Princess Bride.
Beware! Anton Chigurh carries a coin with him, which he forces his victims to flip to decide whether they will live or die. See them in No Country for Old Men.