This is an interesting article from Inktip, one of the most popular script listing services, but whether you are writing fiction or a script, the writing of interesting supporting characters is paramount to a successful story.
Linda McCloud and Johnny Joe are two of my favorites in The Holiday Series. Linda is so full of boundless energy that she is infectious and turned from a supporting character into a main character in A Filly Called Easter. Johnny Joe’s search for identity is actually the driving force behind the plot in The Great Pumpkin Ride. Both of these characters developed more and more during the writing of One Frosty Christmas and resonated with lots of my readers.