Taken from "5 Reasons Your Story Stinks" so click on over and read the whole article.
If you consider these now, it may save you time later.
There’s something fishy about your story. The characters… well, they don’t seem to think, behave or talk like real human beings.
Stop and take a close look at the stars of your story:
Are they well developed?
Do they have believable motivations?
Do your characters speak using credible dialogue?
Are there so many characters your reader can’t distinguish between them?
Will people easily identify with them and their problems?
It’s irrelevant how gripping your plot is, if the characters who carry that plot aren’t real enough to speak to the reader.
Remember if you want the character worksheets or interview questions, email me and I'll get them out to you in a day or two.